최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0782889 (2013-03-01) |
등록번호 | US-9526573 (2016-12-27) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 11 인용 특허 : 233 |
Systems, methods, and devices allow intravascular or percutaneous mapping, orientation or ablation, or combinations thereof in bodily cavities or lumens. A device includes a plurality of elongate members which are moveable between an unexpanded configuration, a bent or coiled stack configuration and
Systems, methods, and devices allow intravascular or percutaneous mapping, orientation or ablation, or combinations thereof in bodily cavities or lumens. A device includes a plurality of elongate members which are moveable between an unexpanded configuration, a bent or coiled stack configuration and an expanded or fanned configuration. The elongate members form a stack arrangement in the unexpanded configuration to fit through a catheter sheath, The elongate members follow respective arcuate or curvilinear paths as advanced from the sheath into the bent or coiled stack configuration, adopting volute, scroll or rho shapes, and may be nested. The elongated members are fanned or radially spaced circumferentially with respect to one another into the expanded or fanned configuration. Transducers carried by elongate members may sense various physiological characteristics of or proximate tissue, for instance temperature, and/or may apply energy to or proximate tissue, for example to perform ablation. The device is retractable.
1. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a respective proximal end, a respective distal end, a respective intermediate portion positioned between the respective proximal end and the re
1. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a respective proximal end, a respective distal end, a respective intermediate portion positioned between the respective proximal end and the respective distal end of the elongate member, and a respective length between the respective proximal end and the respective distal end of the elongate member, the structure selectively moveable between:a delivery configuration in which the structure is sized to be delivered through a bodily opening leading to a bodily cavity, with each elongate member of the plurality of elongate members arranged to be delivered with the respective distal end ahead of the respective proximal end of the elongate member; anda deployed configuration in which the structure is expanded to have a size too large to be delivered through the bodily opening leading to the bodily cavity, the respective intermediate portions of at least some of the plurality of elongate members angularly spaced with respect to one another about a first axis, and each of the at least some of the plurality of elongate members further comprising a curved portion arranged to extend along at least a portion of a respective curved path that intersects the first axis at each of a respective at least two spaced apart locations along the first axis when the structure is in the deployed configuration, and a portion of the structure is radially spaced from the first axis by a first dimension when the structure is in the deployed configuration,the medical system further comprising at least one actuator operably coupled to the structure to selectively, when the structure is in the deployed configuration, increase the first dimension while varying a distance between the respective distal end of at least one elongate member of the at least some of the plurality of elongate members and a particular location where the first axis passes through the at least one elongate member to reduce a curvature of the respective curved portion of the at least one elongate member. 2. The medical system of claim 1 wherein the structure comprises a second dimension along the first axis when the structure is in the deployed configuration, and the at least one actuator is operably coupled to the structure to selectively reduce the curvature of the respective curved portion of the at least one elongate member to increase the second dimension when the structure is in the deployed configuration. 3. The medical system of claim 2 wherein the at least one actuator is operably coupled to the structure to selectively reduce the curvature of the respective curved portion of the at least one elongate member to concurrently increase each of the first and the second dimensions. 4. The medical system of claim 2 wherein the second dimension is an overall dimension of the structure along the first axis when the structure is in the deployed configuration. 5. The medical system of claim 2 wherein the first axis passes through the one elongate member at each of a first location and a second location spaced along the length of the one elongate member from the first location when the structure is in the deployed configuration, and wherein the second dimension is a dimension between the first location and the second location along the first axis. 6. The medical system of claim 1 wherein the respective intermediate portion of each elongate member of the plurality of elongate members comprises a front surface and a back surface opposite across a thickness of the elongate member, and wherein at least the respective intermediate portions of the elongate members of the plurality of elongate members are arranged with respect to one another front surface-toward-back surface in a stacked array when the structure is in the delivery configuration. 7. The medical system of claim 1 wherein the first axis passes through each respective elongate member of the plurality of elongate members at a respective two or more locations when the structure is in the deployed configuration, and wherein, for each respective two or more locations of each respective elongate member of the plurality of elongate members, each location of the respective two or more locations is spaced from another location of the respective two or more locations along the respective length of the respective elongate member. 8. The medical system of claim 7 wherein the respective two or more locations of a first elongate member of the plurality of elongate members comprise at least three locations spaced with respect to one another along the respective length of the first elongate member. 9. The medical system of claim 1 wherein at least a first elongate member of the plurality of elongate members crosses a second elongate member of the plurality of elongate members in an X configuration at each of one or more crossing locations along the respective length of the second elongate member when the structure is in the deployed configuration, each of the one or more locations spaced from each of the respective proximal end and the respective distal end of the second elongate member when the structure is in the deployed configuration. 10. The medical system of claim 9 wherein the structure further comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein at least one crossing location of the one or more crossing locations is located along the respective length of the second elongate member between at least two of the plurality of couplers when the structure is in the deployed configuration. 11. The medical system of claim 10 wherein for each elongate member of the plurality of elongate members, the respective intermediate portion comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the deployed configuration, and wherein the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the deployed configuration, and wherein the front surface of the respective intermediate portion of the second elongate member outwardly faces the back surface of the respective intermediate portion of at the first elongate member at the at least one crossing location of the one or more crossing locations when the structure is in the deployed configuration. 12. The medical system of claim 9 wherein the structure further comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein at least one crossing location of the one or more crossing locations is located along the respective length of the second elongate member relatively closer to the respective distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the deployed configuration. 13. The medical system of claim 12 wherein for each elongate member of the plurality of elongate members, the respective intermediate portion comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the deployed configuration, and wherein the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the deployed configuration, and wherein the front surface of the respective intermediate portion of the second elongate member outwardly faces the back surface of the respective intermediate portion of at the first elongate member at the at least one crossing location of the one or more crossing locations when the structure is in the deployed configuration. 14. The medical system of claim 9 wherein the at least one actuator is operably coupled to the structure to, when the structure is in the deployed configuration, increase the first dimension while reducing a distance between a crossing location of the one or more crossing locations and the respective distal end of the second elongate member. 15. The medical system of claim 1 wherein at least two of the elongate members each comprise one or more transducers. 16. The medical system of claim 1 wherein the at least one actuator is operably coupled to the structure to, when the structure is in the deployed configuration, reduce an end-to-end distance between the respective distal end of a first elongate member of the plurality of elongate members and the respective distal end of a second elongate member of the plurality of elongate members while the first dimension increases. 17. The medical system of claim 1 wherein, when the structure is moved from the delivery configuration toward the deployed configuration or from the deployed configuration toward the delivery configuration, a first set of elongate members of the plurality of elongate members is moved along a first angular direction while a second set of elongate members of the plurality of elongate members is moved along a second angular direction opposite the first angular direction. 18. The medical system of claim 1 wherein each elongate member of the plurality of elongate members comprises a scrolled or volute shape profile when the structure is in the deployed configuration. 19. The medical system of claim 1 wherein for each elongate member of the plurality of elongate members, the respective intermediate portion comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, at least the respective intermediate portions of at least three elongate members of the plurality of elongate members arrayed along a first direction front surface-toward-back surface in a stacked array when the structure is in the delivery configuration. 20. The medical system of claim 1 wherein the respective curved portions of the at least some of the plurality of elongate members are circumferentially arranged about an axis when the structure is in the deployed configuration, the respective curved portions of the at least some of the plurality of elongate members spaced from the axis when the structure is in the deployed configuration. 21. The medical system of claim 1 wherein the particular location is one of the respective at least two spaced apart locations intersected by the at least the portion of the respective curved path extended along by the curved portion of the one elongate member. 22. The medical system of claim 1 wherein the particular location is a location positioned along the length of the one elongate member relatively closer to the respective distal end of the one elongate member than the respective proximal end of the one elongate member. 23. The medical system of claim 1 wherein: the structure comprises a proximal portion and a distal portion, the structure arranged to be delivered distal portion first through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration; andthe medical system comprises a shaft member, a portion of the shaft member sized and arranged to deliver the structure through the bodily opening leading to the bodily cavity, the shaft member comprising a first end, a second end, and an elongated portion extending between the first end and the second end of the shaft member, the shaft member physically coupled to the proximal portion of the structure at least at a location on the proximal portion of the structure, the location on the proximal portion of the structure located at least adjacent the second end of the shaft member, the second end of the shaft member arranged to be delivered through the bodily opening leading to the bodily cavity at least before the elongated portion of the shaft member, and the structure arranged to be delivered through the bodily opening leading to the bodily cavity at least before the second end of the shaft member when the structure is in the delivery configuration. 24. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a proximal end, a distal end, and a respective intermediate portion positioned between the proximal end and the distal end of the elongate member, the structure selectively moveable between a delivery configuration in which the structure is sized to be percutaneously delivered to a bodily cavity, and a deployed configuration in which the structure is expanded to have a size too large to be percutaneously delivered to the bodily cavity, the respective intermediate portions of at least some of the plurality of elongate members angularly spaced with respect to one another about a first axis when the structure is in the deployed configuration;a handle portion; anda shaft member, a portion of the shaft member sized and arranged to deliver the structure percutaneously to the bodily cavity, the shaft member comprising a first end positioned at least proximate to the handle portion and a second end physically coupled to the structure, in the deployed configuration the structure and a second-end-portion of the shaft member including the second end of the shaft member having a projected outline in the shape of the lower-case Greek letter rho,wherein each of the at least some of the plurality of elongate members comprises a curved portion that extends along at least a portion of a respective curved path that intersects the first axis at each of a respective at least two spaced apart locations along the first axis when the structure is in the deployed configuration. 25. The medical system of claim 24 wherein the respective intermediate portion of each elongate member of the plurality of elongate members comprises a front surface and a back surface opposite across a thickness of the elongate member from the front surface, and wherein at least the respective intermediate portions of the elongate members of the plurality of elongate members are arranged with respect to one another front surface-toward-back surface in a stacked array when the structure is in the delivery configuration. 26. The medical system of claim 24 wherein each elongate member of the plurality of elongate members comprises a respective length between the respective proximal end and the respective distal end of the elongate member, and the first axis passes through each of at least one elongate member of the plurality of elongate members when the structure is in the deployed configuration, the first axis passing through the one elongate member at two or more particular locations when the structure is in the deployed configuration, each location of the two or more particular locations spaced from another location of the two or more particular locations along the respective length of the one elongate member. 27. The medical system of claim 26 wherein the two or more particular locations comprise at least three locations spaced along the respective length of the one elongate member. 28. The medical system of claim 24 wherein each elongate member of the plurality of elongate members comprises a respective length between the respective proximal end and the respective distal end of the elongate member, and at least a first elongate member of the plurality of elongate members crosses a second elongate member of the plurality of elongate members in an X configuration at each of one or more crossing locations along the respective length of the second elongate member when the structure is in the deployed configuration, each of the one or more crossing locations spaced from each of the respective proximal end and the respective distal end of the second elongate member when the structure is in the deployed configuration. 29. The medical system of claim 28, further comprising a plurality of couplers which each physically couples at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein at least one crossing location of the one or more crossing locations is located along the respective length of the second elongate member between at least two of the plurality of couplers when the structure is in the deployed configuration. 30. The medical system of claim 29 wherein for each elongate member of the plurality of elongate members, the respective intermediate portion comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the deployed configuration, and wherein the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the deployed configuration, and wherein the front surface of the respective intermediate portion of the second elongate member outwardly faces the back surface of the respective intermediate portion of at the first elongate member at the at least one crossing location of the one or more crossing locations when the structure is in the deployed configuration. 31. The medical system of claim 28 wherein each elongate member of the plurality of elongate members is arranged to be advanced distal end ahead of the proximal end through a bodily opening leading to the bodily cavity when the structure is in the delivery configuration, and wherein the medical system further comprises a plurality of couplers which each physically couples at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein at least one crossing location of the one or more crossing locations is located along the respective length of the second elongate member relatively closer to the respective distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the deployed configuration. 32. The medical system of claim 31 wherein for each elongate member of the plurality of elongate members, the respective intermediate portion comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the deployed configuration, and wherein the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the deployed configuration, and wherein the front surface of the respective intermediate portion of the second elongate member outwardly faces the back surface of the respective intermediate portion of the first elongate member at the at least one crossing location of the one or more crossing locations when the structure is in the deployed configuration. 33. The medical system of claim 24 wherein at least two of the elongate members each comprises one or more transducers. 34. The medical system of claim 24 wherein at least the respective intermediate portions of the plurality of elongate members are circumferentially spaced about the first axis when the structure is in the deployed configuration. 35. The medical system of claim 24 wherein each elongate member of the plurality of elongate members is arranged to be delivered distal end ahead of the proximal end when the structure is percutaneously delivered to the bodily cavity in the delivery configuration, and each distal end of each elongate member of the plurality of elongate members moves along a respective coiled path when the structure is moved between the delivery configuration and the deployed configuration. 36. The medical system of claim 24 wherein, when the structure is moved from the delivery configuration toward the deployed configuration or from the deployed configuration toward the delivery configuration, a first set of elongate members of the plurality of elongate members is moved along a first angular direction while a second set of elongate members of the plurality of elongate members is moved along a second angular direction opposite the first angular direction. 37. The medical system of claim 24 wherein the intermediate portion of each elongate member of the plurality of elongate members comprises a front surface and a back surface opposite across a thickness of the elongate member from the front surface, and wherein the structure is positionable in the bodily cavity in the deployed configuration to arrange at least the respective intermediate portion of each elongate member of the at least some of the plurality of elongate members to position a first portion of the front surface of the respective intermediate portion of the elongate member of the at least some of the plurality of elongate members to face a first portion of an interior tissue surface within the bodily cavity and to position a second portion of the front surface of the respective intermediate portion of the elongate member of the at least some of the plurality of elongate members to face a second portion of the interior tissue surface, where the second portion of the interior tissue surface is opposed across the bodily cavity from the first portion of the interior tissue surface. 38. The medical system of claim 24 wherein the shaft member is positioned to avoid intersection of the second end by the first axis when the structure is in the deployed configuration. 39. The medical system of claim 24 wherein the structure extends beyond the second end of the shaft member at least when the structure is in the deployed configuration. 40. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end of the elongate member, and a thickness, the intermediate portion of each elongate member of the plurality of elongate members comprising a front surface and a back surface opposite across the thickness of the elongate member from the front surface, wherein the structure is selectively moveable between:an unexpanded configuration in which at least the respective intermediate portions of the elongate members of the plurality of elongate members are arranged with respect to one another front surface-toward-back surface in a stacked array sized for delivery through a bodily opening leading to a bodily cavity, andan expanded configuration in which the respective intermediate portions of the plurality of elongate members are angularly spaced with respect to one another about a first axis, the plurality of elongate members further comprising at least one elongate member that comprises a curved portion arranged to extend along at least a portion of a respective curved path that intersects the first axis at each of a respective at least three spaced apart locations along the first axis when the structure is in the expanded configuration. 41. The medical system of claim 40 wherein: the structure comprises a proximal portion and a distal portion, the structure arranged to be delivered distal portion first through the bodily opening leading to the bodily cavity when the structure is in the unexpanded configuration; andthe medical system comprises a shaft member, a portion of the shaft member sized and arranged to deliver the structure through the bodily opening leading to the bodily cavity, the shaft member comprising a first end, a second end, and an elongated portion extending between the first end and the second end of the shaft member, the shaft member physically coupled to the proximal portion of the structure at least at a location on the proximal portion of the structure, the location on the proximal portion of the structure located at least adjacent the second end of the shaft member, the second end of the shaft member arranged to be delivered through the bodily opening leading to the bodily cavity at least before the elongated portion of the shaft member, and the structure arranged to be delivered through the bodily opening leading to the bodily cavity at least before the second end of the shaft member when the structure is in the unexpanded configuration. 42. The medical system of claim 40 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member;at least a first elongate member of the plurality of elongate members crosses a second elongate member of the plurality of elongate members at each of a plurality of spaced apart locations along the respective length of the second elongate member when the structure is in the expanded configuration; andthe front surface of the intermediate portion of the second elongate member faces toward the back surface of the intermediate portion of the first elongate member at each of the plurality of spaced apart locations along the respective length of the second elongate member when the structure is in the expanded configuration. 43. The medical system of claim 40 wherein the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the expanded configuration, and wherein the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration. 44. The medical system of claim 43 wherein the intermediate portions of the plurality of elongate members are circumferentially arranged about the first axis when the structure is in the expanded configuration. 45. The medical system of claim 40 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, at least a first elongate member of the plurality of elongate members crosses at least a second elongate member of the plurality of elongate members at each of one or more locations along the respective length of the second elongate member when the structure is in the expanded configuration, and each of the one or more locations spaced from each of the proximal end and the distal end of the second elongate member when the structure is in the expanded configuration;the medical system comprises a plurality of couplers which each physically couples at least the second elongate member with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member; andat least one location of the one or more locations is located along the respective length of the second elongate member between at least two of the plurality of couplers when the structure is in the expanded configuration. 46. The medical system of claim 40 wherein: each elongate member of the plurality of elongate members is arranged to be advanced distal end ahead of the proximal end through the bodily opening leading to the bodily cavity when the structure is in the unexpanded configuration,each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, at least a first elongate member of the at least some of the plurality of elongate members crosses a second elongate member of the plurality of elongate members at each of one or more locations along the respective length of the second elongate member when the structure is in the expanded configuration, and each of the one or more locations spaced from each of the proximal end and the distal end of the second elongate member when the structure is in the expanded configuration; andthe medical system comprises a plurality of couplers which each physically couples at least the second elongate member with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, at least one location of the one or more locations located along the respective length of the second elongate member relatively closer to the distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the expanded configuration. 47. The medical system of claim 40 wherein: the structure comprises a proximal portion and a distal portion, each of the proximal and the distal portions of the structure comprising a respective part of each of the plurality of elongate members;the distal portion of the structure is arranged to be advanced ahead of the proximal portion of the structure through the bodily opening leading to the bodily cavity when the structure is in the unexpanded configuration; andthe proximal portion of the structure forms a first domed shape and the distal portion of the structure forms a second domed shape when the structure is in the expanded configuration, each of the first domed shape and the second domed shape comprising a respective apex, and the intermediate portions of at least three elongate members of the plurality of elongate members are arranged front surface-toward-back surface at a particular location spaced from the respective apex of each of the first domed shape and the second domed shape when the structure is in the expanded configuration. 48. The medical system of claim 47 wherein the first axis passes through the particular location. 49. The medical system of claim 40 wherein each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, and each of at least a particular elongate member of the plurality of elongate members is twisted about a twist axis extending along a portion of the respective length of the elongate member. 50. The medical system of claim 40 wherein each of the plurality of elongate members comprises a scrolled or volute shape profile when the structure is in the expanded configuration. 51. The medical system of claim 40 wherein each of the plurality of elongate members comprises a respective plurality of individually activatable transducer elements. 52. The medical system of claim 40 wherein the stacked array comprises a plurality of successive pairs of the elongate members when the structure is in the unexpanded configuration, and wherein the medical system further comprises a plurality of individually activatable transducer elements, a respective group of the plurality of individually activatable transducer elements arranged between the elongate members of each successive pair of the elongate members in the stacked array when the structure is in the unexpanded configuration. 53. A medical system comprising: a plurality of individually activatable transducer elements; anda structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end of the elongate member, and a thickness, the intermediate portion of each elongate member of the plurality of elongate members comprising a front surface and a back surface opposite across the thickness of the elongate member from the front surface, wherein the structure comprises:a first configuration in which at least the respective intermediate portions of the elongate members of the plurality of elongate members are successively arranged front surface-toward-back surface in a stacked array comprising a plurality of successive pairs of the elongate members, the stacked array sized for delivery through a bodily opening leading to a bodily cavity when the structure is in the first configuration, wherein each elongate member of the plurality of elongate members is arranged to be advanced distal end ahead of the proximal end through the bodily opening leading to the bodily cavity when the structure is in the first configuration, and wherein a respective particular group of the plurality of individually activatable transducer elements is arranged between the elongate members of each successive pair of the elongate members in the stacked array when the structure is in the first configuration. 54. The medical system of claim 53 wherein: the structure comprises a proximal portion and a distal portion, the structure arranged to be delivered distal portion first through the bodily opening leading to the bodily cavity when the structure is in the first configuration, andthe medical system comprises a shaft member, a portion of the shaft member sized and arranged to deliver the structure through the bodily opening leading to the bodily cavity, the shaft member comprising a first end, a second end, and an elongated portion extending between the first end and the second end of the shaft member, the shaft member physically coupled to the proximal portion of the structure at least at a location on the proximal portion of the structure, the location on the proximal portion of the structure located at least adjacent the second end of the shaft member, the second end of the shaft member arranged to be delivered through the bodily opening leading to the bodily cavity at least before the elongated portion of the shaft member, and the structure arranged to be delivered through the bodily opening leading to the bodily cavity at least before the second end of the shaft member when the structure is in the first configuration. 55. The medical system of claim 53, further comprising a catheter sheath including a first end, a second end and a lumen therebetween, wherein the structure is selectively moveable between the first configuration and a second configuration in which the respective distal end of each of the plurality of elongate members moves along a respective coiled path as the elongate members advance out of the lumen of the catheter sheath, the respective intermediate portion of each elongate member of the plurality of elongate members bent about a respective bending axis to form, along with the others of the plurality of elongate members, an arcuate stacked array when the structure is in the second configuration, the arcuate stacked array sized too large for delivery though the lumen of the catheter sheath when the structure is in the second configuration. 56. The medical system of claim 55 wherein at least the respective intermediate portion of each elongate member of the plurality of elongate members has a volute shape profile when the structure is in the second configuration. 57. The medical system of claim 55 wherein each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, wherein the structure is further selectively moveable between at least the second configuration and a third configuration, and wherein at least the respective intermediate portions of at least some of the plurality of elongate members are fanned with respect to at least one elongate member of the plurality of elongate members about a first axis when the structure is in the third configuration, the first axis passing through each of at least the one elongate member when the structure is in the third configuration, the first axis passing through the one elongate member at two or more locations when the structure is in the third configuration, and each location of the two or more locations spaced from another location of the two or more locations along the length of the one elongate member. 58. The medical system of claim 57 wherein the two or more locations comprise at least three spaced apart locations along the length of the one elongate member. 59. The medical system of claim 55 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member;the structure is further selectively moveable between at least the second configuration and a third configuration, wherein at least a first elongate member of the plurality of elongate members crosses a second elongate member of the plurality of elongate members at each of one or more locations along the respective length of the second elongate member spaced from each of the proximal end and the distal end of the second elongate member when the structure is in the third configuration;the medical system further comprises a plurality of couplers which each physically couples at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member; andat least one location of the one or more locations is located along the respective length of the second elongate member between at least two of the plurality of couplers when the structure is in the third configuration. 60. The medical system of claim 55 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member;the structure is further selectively moveable between at least the second configuration and a third configuration, wherein at least a first elongate member of the plurality of elongate members crosses a second elongate member of the plurality of elongate members at each of one or more locations along the respective length of the second elongate member spaced from each of the proximal end and the distal end of the second elongate member when the structure is in the third configuration;the medical system further comprises a plurality of couplers which each physically couples at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member; andat least one location of the one or more locations is located along the respective length of the second elongate member relatively closer to the distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the third configuration. 61. The medical system of claim 55 wherein the intermediate portion of each elongate member of the plurality of elongate members is preformed to autonomously bend about the respective bending axis of the elongate member as the intermediate portion is advanced outwardly from the lumen of the catheter sheath. 62. The medical system of claim 55 wherein, for each elongate member of the plurality of elongate members, at least part of the respective coiled path extends along a volute path. 63. The medical system of claim 55 wherein the structure is further selectively moveable between at least the second configuration and a third configuration, and wherein the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure and the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region of the structure when the structure is in the third configuration. 64. The medical system of claim 53 wherein the structure is selectively moveable between the first configuration and an expanded configuration in which the structure is expanded to have a size too large to be delivered through the bodily opening leading to the bodily cavity. 65. The medical system of claim 64 wherein, when the structure is in the expanded configuration, the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure and the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region of the structure. 66. The medical system of claim 64 wherein, when the structure is in the expanded configuration, the respective intermediate portions of at least some of the plurality of elongate members are angularly spaced with respect to one another about a first axis, and, wherein each of the at least some of the plurality of elongate members further comprises a curved portion arranged to extend along at least a portion of a respective curved path that intersects the first axis at each of a respective at least two spaced apart locations along the first axis when the structure is in the expanded configuration, and a portion of the structure is radially spaced from the first axis by a first dimension when the structure is in the expanded configuration. 67. The medical system of claim 64 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member;when the structure is in the expanded configuration, at least a first elongate member of the plurality of elongate members crosses a second elongate member of the plurality of elongate members at each of one or more locations along the respective length of the second elongate member spaced from each of the proximal end and the distal end of the second elongate member;the medical system further comprises a plurality of couplers which each physically couples at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member; andat least one location of the one or more locations is located along the respective length of the second elongate member relatively closer to the distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the expanded configuration. 68. The medical system of claim 64 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member;when the structure is in the expanded configuration, at least a first elongate member of the plurality of elongate members crosses a second elongate member of the plurality of elongate members at each of one or more locations along the respective length of the second elongate member spaced from each of the proximal end and the distal end of the second elongate member;the medical system further comprises a plurality of couplers which each physically couples at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member; andat least one location of the one or more locations is located along the respective length of the second elongate member between at least two of the plurality of couplers when the structure is in the expanded configuration. 69. The medical system of claim 64 wherein each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, and wherein, when the structure is in the expanded configuration, at least the respective intermediate portions of at least some of the plurality of elongate members are fanned with respect to at least one elongate member of the plurality of elongate members about a first axis, the first axis passing through each of at least the one elongate member when the structure is in the expanded configuration, the first axis passing through the one elongate member at two or more locations when the structure is in the expanded configuration, and each location of the two or more locations spaced from another location of the two or more locations along the length of the one elongate member. 70. The medical system of claim 69 wherein the two or more locations comprise at least three spaced apart locations along the length of the one elongate member. 71. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a proximal end, a distal end, and a respective intermediate portion positioned between the proximal end and the distal end of the elongate member, the structure selectively moveable between a delivery configuration and an expanded configuration,wherein the structure is sized to be percutaneously delivered to a bodily cavity in the delivery configuration with the respective distal end of each of the plurality of elongate members arranged to be delivered to the bodily cavity before at least the respective intermediate portion,wherein the respective intermediate portions of at least two of the plurality of elongate members are angularly spaced with respect to one another about a first axis when the structure is in the expanded configuration, each of the at least two of the plurality of elongate members comprising a curved portion that extends along at least a portion of a respective curved path that intersects the first axis at each of a respective at least two spaced apart locations along the first axis when the structure is in the expanded configuration,wherein a first location of the respective at least two spaced apart locations intersected by the at least the portion of the respective curved path extended along by the curved portion of one elongate member of the at least two of the plurality of elongate members is located along the first axis relatively farther from the respective proximal end of at least the one elongate member than a second location of the respective at least two spaced apart locations intersected by the at least the portion of the respective curved path extended along by the curved portion of the one elongate member when the structure is in the expanded configuration, andwherein the respective distal ends of the at least two of the plurality of elongate members are each located relatively closer to the second location than the first location when the structure is in the expanded configuration. 72. The medical system of claim 71 wherein: the structure comprises a proximal portion and a distal portion, the structure arranged to be percutaneously delivered distal portion first to the bodily cavity when the structure is in the delivery configuration; andthe medical system comprises a shaft member, a portion of the shaft member sized and arranged to deliver the structure percutaneously to the bodily cavity, the shaft member comprising a first end, a second end, and an elongated portion extending between the first end and the second end of the shaft member, the shaft member physically coupled to the proximal portion of the structure at least at a location on the proximal portion of the structure, the location on the proximal portion of the structure located at least adjacent the second end of the shaft member, the second end of the shaft member arranged to be percutaneously delivered to the bodily cavity at least before the elongated portion of the shaft member, and the structure arranged to be delivered to the bodily cavity at least before the second end of the shaft member when the structure is in the delivery configuration. 73. The medical system of claim 71 wherein the distal end of each elongate member of the at least two of the plurality of elongate members moves along a respective coiled path when the structure is moved between the delivery configuration and the expanded configuration. 74. The medical system of claim 71 wherein: each elongate member of the plurality of elongate members comprises a thickness, a front surface, and a back surface opposite across the thickness from the front surface, the front surfaces of the plurality of elongate members facing outwardly away from an interior region within the structure when the structure is in the expanded configuration, and the back surfaces of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration; andeach elongate member of the plurality of elongate members further comprises a respective length between the proximal end and the distal end of the elongate member, and at least a first elongate member of the at least two of the plurality of elongate members crosses a second elongate member of the at least two of the plurality of elongate members at a particular location along the respective length of the second elongate member when the structure is in the expanded configuration, the front surface of the second elongate member facing toward the back surface of the first elongate member at the particular location along the respective length of the second elongate member when the structure is in the expanded configuration. 75. The medical system of claim 71 wherein at least a first elongate member of the at least two of the plurality of elongate members crosses a second elongate member of the at least two of the plurality of elongate members at each of at least one of the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of the second elongate member when the structure is in the expanded configuration. 76. The medical system of claim 75 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member;the structure comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member; andone of the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of the second elongate member is positioned between a first coupler of the plurality of couplers and at least a second coupler of the plurality of couplers when the structure is in the expanded configuration. 77. The medical system of claim 75 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member;the structure comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member; andat least one of the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of the second elongate member is positioned relatively closer to the distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the expanded configuration. 78. The medical system of claim 71 wherein each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, and each of at least a particular elongate member of the plurality of elongate members is twisted about a twist axis extending along a portion of the respective length of the elongate member. 79. The medical system of claim 71 wherein the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of at least a first elongate member of the at least two of the plurality of elongate members when the structure is in the expanded configuration comprise at least three spaced apart locations along the first axis. 80. The medical system of claim 71 wherein: the respective intermediate portion of each of the plurality of elongate members comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface;at least the respective intermediate portions of the elongate members of the plurality of elongate members are arranged with respect to each other front surface-toward-back surface in a stacked array when the structure is in the delivery configuration;the front surfaces of the respective intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the expanded configuration; andthe back surfaces of the respective intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration. 81. The medical system of claim 80 wherein at least the respective intermediate portions of the plurality of elongate members are circumferentially arranged about the first axis when the structure is in the expanded configuration. 82. The medical system of claim 71, comprising a plurality of individually activatable transducer elements, wherein the respective intermediate portion of each of the plurality of elongate members comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein at least the respective intermediate portions of the elongate members of the plurality of elongate members are successively arranged front surface-toward-back surface in a stacked array comprising a plurality of successive pairs of the elongate members when the structure is in the delivery configuration, and wherein a respective group of the plurality of individually activatable transducer elements is arranged between the elongate members of each successive pair of the elongate members in the stacked array when the structure is in the delivery configuration. 83. The medical system of claim 71 wherein: each elongate member of the plurality of elongate members comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface;the front surfaces of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the expanded configuration;the back surfaces of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration;the structure comprises a proximal portion and a distal portion, each of the proximal and the distal portions of the structure comprising a respective part of each of the plurality of elongate members;the distal portion of the structure is arranged to be advanced ahead of the proximal portion of the structure through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration; andthe proximal portion of the structure forms a first domed shape and the distal portion of the structure forms a second domed shape when the structure is in the expanded configuration, each of the first domed shape and the second domed shape comprising a respective apex, and the respective intermediate portions of at least three elongate members of the plurality of elongate members are arranged front surface-toward-back surface at a particular location spaced from the respective apex of each of the first domed shape and the second domed shape when the structure is in the expanded configuration. 84. The medical system of claim 83 wherein the first axis passes through the particular location. 85. The medical system of claim 71 wherein at least a first elongate member of the at least two of the plurality of elongate members comprises a volute-shaped profile when the structure is in the expanded configuration. 86. The medical system of claim 71 wherein the respective intermediate portion of each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, and wherein the respective length of the respective intermediate portion of at least a first elongate member of the plurality of elongate members is at least equal to a circumference of a portion of an interior tissue surface of a tissue wall forming the bodily cavity to which the respective intermediate portion of the first elongate member is positioned at least proximate to when the structure is positioned in the bodily cavity in the expanded configuration. 87. A medical system comprising: a structure comprising a proximal portion and a distal portion, the structure selectively moveable between a delivery configuration and an expanded configuration, the structure percutaneously deliverable distal portion first through a bodily opening when the structure is in the delivery configuration, and each of the proximal and distal portions comprising a respective domed shape when the structure is in the expanded configuration; anda shaft member, a portion of the shaft member sized and arranged to deliver the structure percutaneously through the bodily opening, the shaft member comprising a first end, a second end, and an elongated portion extending between the first end and the second end of the shaft member, the shaft member physically coupled to the proximal portion of the structure at least at a location on the proximal portion of the structure, the location on the proximal portion of the structure located at least adjacent the second end of the shaft member, and the second end of the shaft member arranged to be percutaneously delivered through the bodily opening at least before the elongated portion of the shaft member,wherein the structure comprises a plurality of elongate members, each elongate member of the plurality of elongate members comprising a proximal end, a distal end, and a respective intermediate portion positioned between the proximal end and the distal end of the elongate member,wherein the structure is sized to be percutaneously delivered through the bodily opening in the delivery configuration with the respective distal end of each of the plurality of elongate members arranged to be delivered through the bodily opening before at least the respective intermediate portion, and the respective intermediate portions of at least two of the plurality of elongate members are angularly spaced with respect to one another about a first axis when the structure is in the expanded configuration, each of the at least two of the plurality of elongate members comprising a curved portion that extends along at least a portion of a respective curved path that intersects the first axis at each of a respective at least two spaced apart locations along the first axis when the structure is in the expanded configuration, a first location of the respective at least two spaced apart locations intersected by the at least the portion of the respective curved path extended along by the curved portion of one of the at least two of the plurality of elongate members located along the first axis relatively farther from the location on the proximal portion of the structure than a second location of the respective at least two spaced apart locations intersected by the at least the portion of the respective curved path extended along by the curved portion of the one of the at least two of the plurality of elongate members when the structure is in the expanded configuration, andwherein the respective distal ends of the at least two of the plurality of elongate members are each located relatively closer to the second location than the first location when the structure is in the expanded configuration. 88. The medical system of claim 87 wherein the respective distal end of each elongate member of the at least two of the plurality of elongate members moves along a respective coiled path when the structure is moved between the delivery configuration and the expanded configuration. 89. The medical system of claim 87 wherein: each elongate member of the plurality of elongate members comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, the front surfaces of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the expanded configuration, and the back surfaces of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration; andeach elongate member of the plurality of elongate members further comprises a respective length between the proximal end and the distal end of the elongate member, and at least a first elongate member of the at least two of the plurality of elongate members crosses a second elongate member of the at least two of the plurality of elongate members at a particular location along the respective length of the second elongate member when the structure is in the expanded configuration, the respective front surface of the second elongate member facing toward the respective back surface of the first elongate member at the particular location along the respective length of the second elongate member when the structure is in the expanded configuration. 90. The medical system of claim 87 wherein at least a first elongate member of the at least two of the plurality of elongate members crosses a second elongate member of the at least two of the plurality of elongate members in an X configuration at each of at least one of the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of the second elongate member when the structure is in the expanded configuration. 91. The medical system of claim 90 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member;the structure comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member; andone of the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of the second elongate member is positioned between a first coupler of the plurality of couplers and at least a second coupler of the plurality of couplers when the structure is in the expanded configuration. 92. The medical system of claim 90 wherein: each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member;the structure comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member; andone of the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of the second elongate member is positioned relatively closer to the respective distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the expanded configuration. 93. The medical system of claim 87 wherein each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, and each of at least one particular elongate member of the plurality of elongate members is twisted about a twist axis extending along a portion of the respective length of the elongate member. 94. The medical system of claim 87 wherein the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of at least a first elongate member of the at least two of the plurality of elongate members when the structure is in the expanded configuration comprise at least three spaced apart locations along the first axis. 95. The medical system of claim 87 wherein: the respective intermediate portion of each of the plurality of elongate members comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface;at least the respective intermediate portions of the elongate members of the plurality of elongate members are arranged with respect to each other front surface-toward-back surface in a stacked array when the structure is in the delivery configuration;the front surfaces of the respective intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the expanded configuration; andthe back surfaces of the respective intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration. 96. The medical system of claim 95 wherein at least the respective intermediate portions of the plurality of elongate members are circumferentially arranged about the first axis when the structure is in the expanded configuration. 97. The medical system of claim 87, comprising a plurality of individually activatable transducer elements, wherein the respective intermediate portion of each of the plurality of elongate members comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein at least the respective intermediate portions of the elongate members of the plurality of elongate members are successively arranged front surface-toward-back surface in a stacked array comprising a plurality of successive pairs of the elongate members when the structure is in the delivery configuration, and wherein a respective group of the plurality of individually activatable transducer elements is arranged between the elongate members of each successive pair of the elongate members in the stacked array when the structure is in the delivery configuration. 98. The medical system of claim 87 wherein: each elongate member of the plurality of elongate members comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, the front surfaces of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the expanded configuration, and the back surfaces of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration;each of the proximal and the distal portions of the structure comprises a respective part of each of the plurality of elongate members;the distal portion of the structure is arranged to be advanced ahead of the proximal portion of the structure through the bodily opening when the structure is in the delivery configuration;the proximal portion of the structure forms a first domed shape and the distal portion of the structure forms a second domed shape when the structure is in the expanded configuration; andeach of the first domed shape and the second domed shape comprises a respective apex, the respective intermediate portions of at least three elongate members of the plurality of elongate members arranged front surface-toward-back surface at a location spaced from the respective apex of each of the first domed shape and the second domed shape when the structure is in the expanded configuration. 99. The medical system of claim 87 wherein at least a first elongate member of the at least two of the plurality of elongate members comprises a volute-shaped profile when the structure is in the expanded configuration. 100. The medical system of claim 87 wherein the respective intermediate portion of each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, and wherein the respective length of the respective intermediate portion of at least a first elongate member of the plurality of elongate members is at least equal to a circumference of a portion of an interior tissue surface of a tissue wall forming the bodily cavity to which the respective intermediate portion of the first elongate member is positioned at least proximate to when the structure is positioned in the bodily cavity in the expanded configuration. 101. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a proximal end, a distal end and an intermediate portion positioned between the proximal end and the distal end of the elongate member, the intermediate portion of each elongate member of the plurality of elongate members comprising a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein the structure is selectively moveable between:a delivery configuration in which the structure is sized to be percutaneously delivered to a bodily cavity with the respective distal end of each of the plurality of elongate members arranged to be delivered to the bodily cavity before at least the respective intermediate portion, andan expanded configuration in which at least the intermediate portions of the plurality of elongate members are circumferentially arranged about a first axis,wherein the structure is positionable in the bodily cavity in the expanded configuration to position a first portion of the front surface of the respective intermediate portion of at least a first elongate member of the plurality of elongate members to face a first portion of an interior tissue surface within the bodily cavity and to position a second portion of the front surface of the respective intermediate portion of the first elongate member to face a second portion of the interior tissue surface, andwherein, when the structure is in the expanded configuration, the first axis passes through a portion of the front surface of the respective intermediate portion of the first elongate member located between the first portion of the front surface of the respective intermediate portion of the first elongate member and the second portion of the front surface of the respective intermediate portion of the first elongate member. 102. The medical system of claim 101 wherein: the structure comprises a proximal portion and a distal portion, the structure arranged to be percutaneously delivered distal portion first to the bodily cavity when the structure is in the delivery configuration; andthe medical system comprises a shaft member, a portion of the shaft member sized and arranged to deliver the structure percutaneously to the bodily cavity, the shaft member comprising a first end, a second end, and an elongated portion extending between the first end and the second end of the shaft member, the shaft member physically coupled to the proximal portion of the structure at least at a location on the proximal portion of the structure, the location on the proximal portion of the structure located at least adjacent the second end of the shaft member, the second end of the shaft member arranged to be percutaneously delivered to the bodily cavity at least before the elongated portion of the shaft member, and the structure arranged to be delivered to the bodily cavity at least before the second end of the shaft member when the structure is in the delivery configuration. 103. The medical system of claim 101 wherein the distal end of each elongate member of at least some of the plurality of elongate members moves along a coiled path when the structure is moved between the delivery configuration and the expanded configuration. 104. The medical system of claim 101 wherein: the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the expanded configuration, and the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration; andeach elongate member of the plurality of elongate members further comprises a respective length between the proximal end and the distal end of the elongate member, and at least the first elongate member crosses a second elongate member of the plurality of elongate members at a particular location along the respective length of the second elongate member when the structure is in the expanded configuration, the front surface of the intermediate portion of the second elongate member facing toward the back surface of the intermediate portion of the first elongate member at the particular location along the respective length of the second elongate member when the structure is in the expanded configuration. 105. The medical system of claim 104 wherein the first axis passes through the particular location along the respective length of the second elongate member when the structure is in the expanded configuration, and wherein the structure comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein the particular location along the respective length of the second elongate member is located between at least two of the plurality of couplers when the structure is in the expanded configuration. 106. The medical system of claim 104 wherein the first axis passes through the particular location along the respective length of the second elongate member when the structure is in the expanded configuration, and wherein the structure comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein the particular location along the respective length of the second elongate member is located along the respective length of the second elongate member relatively closer to the distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the expanded configuration. 107. The medical system of claim 101 wherein the first elongate member crosses at least a second elongate member of the plurality of elongate members in an X configuration at each of at least two spaced apart locations along the first axis when the structure is in the expanded configuration. 108. The medical system of claim 101 wherein the first axis passes through the first elongate member at each of at least three spaced apart locations along the first axis when the structure is in the expanded configuration. 109. The medical system of claim 101 wherein the first axis passes through the first elongate member at each of at least two spaced apart locations along the first axis when the structure is in the expanded configuration, a first location of the at least two spaced apart locations along the first axis positioned relatively closer to the portion of the front surface of the intermediate portion of the first elongate member located between the first portion of the front surface of the intermediate portion of the first elongate member and the second portion of the front surface of the intermediate portion of the first elongate member than a second location of the at least two spaced apart locations along the first axis when the structure is in the expanded configuration, and wherein the distal end of the first elongate member is located relatively closer to the second location than the first location when the structure is in the expanded configuration. 110. The medical system of claim 101 wherein the respective intermediate portions of at least two of the plurality of elongate members cross one another in an X configuration at a crossing location when the structure is in the expanded configuration, and wherein the at least two of the plurality of elongate members are manipulable to vary a respective distance between the crossing location and each of the respective distal ends of the at least two of the plurality of elongate members when the structure is in the expanded configuration. 111. The medical system of claim 101, comprising a plurality of individually activatable transducer elements, wherein at least the intermediate portions of the elongate members of the plurality of elongate members are successively arranged front surface-toward-back surface in a stacked array comprising a plurality of successive pairs of the elongate members when the structure is in the delivery configuration, and wherein a respective group of the plurality of individually activatable transducer elements is arranged between the elongate members of each successive pair of the elongate members in the stacked array when the structure is in the delivery configuration. 112. The medical system of claim 101 wherein: the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the expanded configuration, and the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration;the structure comprises a proximal portion and a distal portion, each of the proximal and the distal portions of the structure comprising a respective part of each of the plurality of elongate members;the distal portion of the structure is arranged to be advanced ahead of the proximal portion of the structure to the bodily cavity when the structure is in the delivery configuration;the proximal portion of the structure forms a first domed shape and the distal portion of the structure forms a second domed shape when the structure is in the expanded configuration; andeach of the first domed shape and the second domed shape comprises a respective apex, and the respective intermediate portions of at least three elongate members of the plurality of elongate members are arranged front surface-toward-back surface at a location spaced from the respective apex of each of the first domed shape and the second domed shape when the structure is in the expanded configuration. 113. The medical system of claim 101 wherein at least the first elongate member comprises a volute-shaped profile when the structure is in the expanded configuration. 114. The medical system of claim 101 wherein the structure is positionable in the bodily cavity in the expanded configuration to position the portion of the front surface of the intermediate portion of the first elongate member to contact a portion of the interior tissue surface while each of the first portion of the front surface of the intermediate portion of the first elongate member and the second portion of the front surface of the intermediate portion of the first elongate member are positioned to contact respective ones of the first portion of the interior tissue surface and the second portion of the interior tissue surface. 115. The medical system of claim 101 wherein the structure is sized too large to be percutaneously delivered to the bodily cavity when the structure is in the expanded configuration. 116. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a proximal end, a distal end and an intermediate portion positioned between the proximal end and the distal end of the elongate member, the intermediate portion of each elongate member of the plurality of elongate members comprising a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein the structure is selectively moveable between:a delivery configuration in which the structure is sized to be percutaneously delivered to a bodily cavity with the respective distal end of each of the plurality of elongate members arranged to be delivered to the bodily cavity before at least the respective intermediate portion, at least the intermediate portions of the elongate members of the plurality of elongate members arranged with respect to one another front surface-toward-back surface in a stacked array when the structure is in the delivery configuration, andan expanded configuration in which at least the intermediate portions of at least two of the plurality of elongate members are angularly arranged about a first axis, wherein when the structure is in the expanded configuration, the respective distal end of at least a first elongate member of the at least two of the plurality of elongate members is arranged between the respective intermediate portion of the first elongate member and the respective proximal end of the first elongate member when viewed from a direction normal to the first axis,wherein each elongate member of the plurality of elongate members comprises a respective length between the proximal end and the distal end of the elongate member, and the first axis passes through each of at least one elongate member of the plurality of elongate members when the structure is in the expanded configuration, the first axis passing through the one elongate member at two or more locations when the structure is in the expanded configuration, each location of the two or more locations spaced from another location of the two or more locations along the length of the one elongate member,wherein the medical system comprises a plurality of individually activatable transducer elements,wherein the stacked array comprises a plurality of successive pairs of the elongate members when the structure is in the delivery configuration, andwherein a respective group of the plurality of individually activatable transducer elements is arranged between the elongate members of each successive pair of the elongate members in the stacked array when the structure is in the delivery configuration. 117. The medical system of claim 116 wherein: the structure comprises a proximal portion and a distal portion, the structure arranged to be percutaneously delivered distal portion first to the bodily cavity when the structure is in the delivery configuration; andthe medical system comprises a shaft member, a portion of the shaft member sized and arranged to deliver the structure percutaneously to the bodily cavity, the shaft member comprising a first end, a second end, and an elongated portion extending between the first end and the second end of the shaft member, the shaft member physically coupled to the proximal portion of the structure at least at a location on the proximal portion of the structure, the location on the proximal portion of the structure located at least adjacent the second end of the shaft member, the second end of the shaft member arranged to be percutaneously delivered to the bodily cavity at least before the elongated portion of the shaft member, and the structure arranged to be delivered to the bodily cavity at least before the second end of the shaft member when the structure is in the delivery configuration. 118. The medical system of claim 116 wherein the distal end of each elongate member of the at least two of the plurality of elongate members moves along a respective coiled path when the structure is moved between the delivery configuration and the expanded configuration. 119. The medical system of claim 116 wherein the front surfaces of the intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the expanded configuration, and the back surfaces of the intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the expanded configuration. 120. The medical system of claim 119 wherein at least the first elongate member crosses a second elongate member of the at least two of the plurality of elongate members at a particular location along the respective length of the second elongate member when the structure is in the expanded configuration, the front surface of the intermediate portion of the second elongate member facing toward the back surface of the intermediate portion of the first elongate member at the particular location along the respective length of the second elongate member when the structure is in the expanded configuration. 121. The medical system of claim 119 wherein at least the intermediate portions of the plurality of elongate members are circumferentially arranged about the first axis when the structure is in the expanded configuration. 122. The medical system of claim 119 wherein: the structure comprises a proximal portion and a distal portion, each of the proximal and the distal portions of the structure comprising a respective part of each of the plurality of elongate members;the distal portion of the structure is arranged to be advanced ahead of the proximal portion of the structure to the bodily cavity when the structure is in the delivery configuration;the proximal portion of the structure forms a first domed shape and the distal portion of the structure forms a second domed shape when the structure is in the expanded configuration; andeach of the first domed shape and the second domed shape comprises a respective apex, and the respective intermediate portions of at least three elongate members of the plurality of elongate members are arranged front surface-toward-back surface at a location spaced from the respective apex of each of the first domed shape and the second domed shape when the structure is in the expanded configuration. 123. The medical system of claim 116 wherein: each of the at least two of the plurality of elongate members comprises a curved portion that extends along at least a portion of a respective curved path that intersects the first axis at each of a respective at least two spaced apart locations along the first axis when the structure is in the expanded configuration; andat least the first elongate member crosses a second elongate member of the at least two of the plurality of elongate members at each of at least one of the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of the second elongate member when the structure is in the expanded configuration. 124. The medical system of claim 123 wherein the structure comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein one of the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of the second elongate member is positioned between a first coupler of the plurality of couplers and at least a second coupler of the plurality of couplers when the structure is in the expanded configuration. 125. The medical system of claim 123 wherein the structure comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein one of the respective at least two spaced apart locations along the first axis intersected by the at least the portion of the respective curved path extended along by the curved portion of the second elongate member is positioned relatively closer to the distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the expanded configuration. 126. The medical system of claim 116 wherein each of at least one particular elongate member of the plurality of elongate members is twisted about a twist axis extending along a portion of the respective length of the particular elongate member. 127. The medical system of claim 116 wherein the two or more locations comprise at least three locations spaced with respect to one another along the length of the one elongate member. 128. The medical system of claim 116 wherein at least the first elongate member comprises a volute-shaped profile when the structure is in the expanded configuration. 129. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a respective proximal end, a respective distal end, a respective intermediate portion positioned between the respective proximal end and the respective distal end of the elongate member, and a respective length between the respective proximal end and the respective distal end of the elongate member, the structure selectively moveable between: a delivery configuration in which the structure is sized to be delivered through a bodily opening leading to a bodily cavity, with each elongate member of the plurality of elongate members arranged to be delivered with the respective distal end ahead of the respective proximal end; anda deployed configuration in which the structure is expanded to have a size too large to be delivered through the bodily opening leading to the bodily cavity, the respective intermediate portions of at least some of the plurality of elongate members angularly spaced with respect to one another about a first axis, and each of the at least some of the plurality of elongate members further comprising a curved portion arranged to extend along at least a portion of a respective curved path that intersects the first axis at each of a respective at least two spaced apart locations along the first axis when the structure is in the deployed configuration, and a portion of the structure is radially spaced from the first axis by a first dimension when the structure is in the deployed configuration,the medical system further comprising at least one actuator operably coupled to the structure to selectively, when the structure is in the deployed configuration, increase the first dimension while reducing an end-to-end distance between the respective distal end of a first elongate member of the plurality of elongate members and the respective distal end of a second elongate member of the plurality of elongate members, a curvature of the respective curved portion of each of the first elongate member and the second elongate member reducing while the first dimension increases. 130. The medical system of claim 129 wherein: the structure comprises a proximal portion and a distal portion, the structure arranged to be delivered distal portion first through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration; andthe medical system comprises a shaft member, a portion of the shaft member sized and arranged to deliver the structure through the bodily opening leading to the bodily cavity, the shaft member comprising a first end, a second end, and an elongated portion extending between the first end and the second end of the shaft member, the shaft member physically coupled to the proximal portion of the structure at least at a location on the proximal portion of the structure, the location on the proximal portion of the structure located at least adjacent the second end of the shaft member, the second end of the shaft member arranged to be delivered through the bodily opening leading to the bodily cavity at least before the elongated portion of the shaft member, and the structure arranged to be delivered through the bodily opening leading to the bodily cavity at least before the second end of the shaft member when the structure is in the delivery configuration. 131. The medical system of claim 129 wherein the structure comprises a second dimension along the first axis when the structure is in the deployed configuration, and the at least one actuator is operably coupled to the structure to selectively reduce the end-to-end distance to increase the second dimension when the structure is in the deployed configuration. 132. The medical system of claim 131 wherein the at least one actuator is operably coupled to the structure to selectively reduce the end-to-end distance to concurrently increase each of the first and the second dimensions. 133. The medical system of claim 131 wherein the second dimension is an overall dimension of the structure along the first axis when the structure is in the deployed configuration. 134. The medical system of claim 129 wherein the respective intermediate portion of each elongate member of the plurality of elongate members comprises a front surface and a back surface opposite across a thickness of the elongate member, and wherein at least the respective intermediate portions of the elongate members of the plurality of elongate members are arranged with respect to one another front surface-toward-back surface in a stacked array when the structure is in the delivery configuration. 135. The medical system of claim 129 wherein the first axis passes through each respective elongate member of the plurality of elongate members at a respective two or more locations when the structure is in the deployed configuration, and wherein, for each respective two or more locations of each respective elongate member of the plurality of elongate members, each location of the respective two or more locations is spaced from another location of the respective two or more locations along the respective length of the respective elongate member. 136. The medical system of claim 135 wherein the respective two or more locations of a particular elongate member of the plurality of elongate members comprise at least three locations spaced with respect to one another along the respective length of the particular elongate member. 137. The medical system of claim 129 wherein at least the first elongate member crosses the second elongate member in an X configuration at each of one or more crossing locations along the respective length of the second elongate member when the structure is in the deployed configuration, each of the one or more locations spaced from each of the respective proximal end and the respective distal end of the second elongate member when the structure is in the deployed configuration. 138. The medical system of claim 137 wherein the structure further comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein at least one crossing location of the one or more crossing locations is located along the respective length of the second elongate member between at least two of the plurality of couplers when the structure is in the deployed configuration. 139. The medical system of claim 138 wherein for each elongate member of the plurality of elongate members, the respective intermediate portion comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein the front surfaces of the respective intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the deployed configuration, and the back surfaces of the respective intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the deployed configuration, and the front surface of the second elongate member outwardly faces the back surface of the first elongate member at the at least one crossing location of the one or more crossing locations when the structure is in the deployed configuration. 140. The medical system of claim 137 wherein the structure comprises a plurality of couplers, each coupler of the plurality of couplers arranged to physically couple at least the second elongate member together with at least one other elongate member of the plurality of elongate members, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of the second elongate member, and wherein at least one crossing location of the one or more crossing locations is located along the respective length of the second elongate member relatively closer to the respective distal end of the second elongate member than each of at least two of the plurality of couplers when the structure is in the deployed configuration. 141. The medical system of claim 140 wherein for each elongate member of the plurality of elongate members, the respective intermediate portion comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, wherein the front surfaces of the respective intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the deployed configuration, and the back surfaces of the respective intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the deployed configuration, and the front surface of the second elongate member outwardly faces the back surface of the first elongate member at the at least one crossing location of the one or more crossing locations when the structure is in the deployed configuration. 142. The medical system of claim 137 wherein the at least one actuator is operably coupled to the structure to, when the structure is in the deployed configuration, increase the first dimension while reducing a distance between a crossing location of the one or more crossing locations and the respective distal end of the second elongate member. 143. The medical system of claim 129 wherein at least two of the elongate members each comprises one or more individually activatable transducers. 144. The medical system of claim 129 wherein each elongate member of the plurality of elongate members comprises a scrolled or volute shape profile when the structure is in the deployed configuration. 145. The medical system of claim 129 wherein for each elongate member of the plurality of elongate members, the respective intermediate portion comprises a thickness, a front surface and a back surface opposite across the thickness from the front surface, at least the respective intermediate portions of at least three elongate members of the plurality of elongate members arrayed along a first direction front surface-toward-back surface in a stacked array when the structure is in the delivery configuration. 146. The medical system of claim 145 wherein the front surfaces of the respective intermediate portions of the plurality of elongate members face outwardly away from an interior region within the structure when the structure is in the deployed configuration, and the back surfaces of the respective intermediate portions of the plurality of elongate members face inwardly toward the interior region within the structure when the structure is in the deployed configuration. 147. The medical system of claim 129 wherein the respective curved portions of the at least some of the plurality of elongate members are circumferentially arranged about an axis when the structure is in the deployed configuration, the respective curved portions of the at least some of the plurality of elongate members spaced from the axis when the structure is in the deployed configuration. 148. The medical system of claim 129 wherein the end-to-end distance between the respective distal end of the first elongate member and the respective distal end of the second elongate member is measured directly from the respective distal end of the first elongate member to the respective distal end of the second elongate member.
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