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-0782867 (2013-03-01) |
등록번호 | US-9492227 (2016-11-15) |
발명자 / 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 | 피인용 횟수 : 13 인용 특허 : 230 |
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 comprising a first end, a second end, and an intermediate portion positioned between the first and the second ends of the elongate member, each intermediate portion comprising a thickness, a
1. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member comprising a first end, a second end, and an intermediate portion positioned between the first and the second ends of the elongate member, each intermediate portion comprising a thickness, a front surface and a back surface opposite across the thickness from the front surface, the structure further comprising 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 structure selectively moveable between: a delivery configuration in which the structure is sized for delivery through a bodily opening leading to a bodily cavity, 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; anda deployed configuration in which the structure is sized too large for delivery through the bodily opening leading to the bodily cavity, the proximal portion of the structure forming a first domed shape and the distal portion of the structure forming a second domed shape when the structure is in the deployed configuration,wherein each of the first domed shape and the second domed shape comprises a respective apex, each of the at least three elongate members comprises a respective particular portion, and the particular portions of the at least three 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 deployed configuration. 2. The medical system of claim 1 wherein at least the first domed shape or the second domed shape has a first radius of curvature in a first spatial plane and a second radius of curvature in a second spatial plane that intersects the first spatial plane, a magnitude of the second radius of curvature different than a magnitude of the first radius of curvature. 3. The medical system of claim 1 wherein each elongate member of at least some of the plurality of elongate members crosses at least one other elongate member of the plurality of elongate members at least at one location between the proximal and the distal portions of the structure when the structure is in the deployed configuration. 4. The medical system of claim 1 wherein each elongate member of the plurality of elongate members comprises a respective length between the first end and the second end of the elongate member, each elongate member of at least some of the plurality of elongate members crossing at least one other elongate member of the plurality of elongate members at each of a respective plurality of spaced apart locations along the length of the one other elongate member when the structure is in the deployed configuration. 5. The medical system of claim 1 wherein at least some of the plurality of elongate members are fanned with respect to at least one of the plurality of elongate members about an axis passing through a location between the proximal and the distal portions of the structure when the structure is in the deployed configuration, the location located on one of the plurality of elongate members. 6. The medical system of claim 1 wherein at least two of the elongate members each comprises one or more transducers. 7. The medical system of claim 1 wherein the proximal portion of the structure does not form a domed shape when the structure is in the delivery configuration, and the distal portion of the structure does not form a domed shape when the structure is in the delivery configuration. 8. 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. 9. The medical system of claim 1, further comprising a plurality of transducers located at least on an outward-facing surface of at least the first domed shape formed by the proximal portion of the structure or the second domed shape formed by the distal portion of the structure. 10. The medical system of claim 1 wherein each elongate member of the plurality of elongate members comprises a respective length between the first and the second ends of the elongate member, and wherein the intermediate portions of the plurality of elongate members are circumferentially arranged about a first axis when the structure is in the deployed configuration, the first axis passing through each of at least a first elongate member of the plurality of elongate members when the structure is in the deployed configuration, the first axis passing through the first elongate member at two or more locations when the structure is in the deployed configuration, each location of the two or more locations spaced from another location of the two or more locations along the respective length of the first elongate member. 11. The medical system of claim 10 wherein the two or more locations comprise at least three locations spaced with respect to one another along the respective length of the first elongate member. 12. The medical system of claim 1 wherein each elongate member of the plurality of elongate members comprises a respective length between the first and the second ends 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 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 first end and the respective second end of the second elongate member when the structure is in the deployed configuration. 13. The medical system of claim 12, further comprising a plurality of couplers, each of which 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, wherein at 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 deployed configuration. 14. The medical system of claim 13 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 least the first elongate member at the at least one location of the one or more locations when the structure is in the deployed configuration. 15. The medical system of claim 14 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 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. 16. The medical system of claim 12 wherein each elongate member of the plurality of elongate members is arranged to be advanced first end ahead of the second end through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration, wherein the medical system further comprises a plurality of couplers, each of which 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 location of the one or more locations is located along the respective length of the second elongate member relatively closer to the respective first 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. 17. The medical system of claim 16 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 least the first elongate member at the at least one location of the one or more locations when the structure is in the deployed 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 when the structure is in the deployed 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 deployed configuration. 18. The medical system of claim 1 wherein each of the at least three elongate members is arranged to be advanced first end ahead of the second end through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration. 19. The medical system of claim 18 wherein the plurality of elongate members comprises a first set of the elongate members and a second set of the elongate members, the first set of the elongate members different than the second set of the elongate members, and wherein, when the structure is moved from the delivery configuration toward the deployed configuration or from the deployed configuration toward the delivery configuration, the first set of the elongate members is moved along an angular direction that is opposite to an angular direction that the second set of the elongate members is moved along. 20. The medical system of claim 1 wherein the intermediate portions of the plurality of elongate members are circumferentially arranged about an axis when the structure is in the deployed configuration, the respective intermediate portions of the at least three elongate members spaced from the axis when the structure is in the deployed configuration. 21. The medical system of claim 1 wherein the plurality of elongate members comprises a first set of the elongate members and a second set of the elongate members, the first set of the elongate members different than the second set of the elongate members, and wherein, when the structure is moved from the delivery configuration toward the deployed configuration or from the deployed configuration toward the delivery configuration, the first set of the elongate members is moved along an angular direction that is opposite to an angular direction that the second set of the elongate members is moved along. 22. The medical system of claim 1 wherein: the structure is arranged to be advanced distal portion first through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration,each particular elongate member of the plurality of elongate members comprises a respective length between the respective first and the respective second ends of the particular elongate member, andat least a first elongate member of the plurality of elongate members is crossed by each of at least two others of the plurality of elongate members at each of one or more locations along the respective length of the first elongate member when the structure is in the deployed configuration, each of the one or more locations spaced along the respective length of the first elongate member from the respective apex of each of the first domed shape and the second domed shape when the structure is in the deployed configuration. 23. The medical system of claim 1 wherein the respective particular portion of at least a first elongate member of the at least three elongate members is crossed by the respective particular portion of each elongate member of at least two others of the at least three elongate members at least between the proximal and the distal portions of the structure when the structure is in the deployed configuration. 24. The medical system of claim 1 wherein the particular portions of the elongate members of the at least three elongate members are fanned with respect to one another at least between the proximal and the distal portions of the structure when the structure is in the deployed configuration. 25. The medical system of claim 1 wherein the stacked array comprises a plurality of successive pairs of the elongate members when the structure is in the delivery 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 delivery configuration. 26. The medical system of claim 1 wherein the front surfaces of the intermediate portions of the at least three 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 intermediate portions of the at least three elongate members face inwardly toward the interior region within the structure when the structure is in the deployed configuration. 27. A medical system comprising: a structure comprising a proximal portion and a distal portion, the structure selectively moveable between: a delivery configuration in which the structure is sized for delivery through a bodily opening leading to a bodily cavity, the structure arranged to be advanced distal portion ahead of the proximal portion into the bodily cavity, anda deployed configuration in which the structure is sized too large for delivery through the bodily opening leading to the bodily cavity,wherein 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 deployed configuration, the proximal and the distal portions of the structure pivotable at least apart in a clam shell configuration when the structure is in the deployed configuration. 28. The medical system of claim 27 wherein at least the first domed shape or the second domed shape has a first radius of curvature in a first spatial plane and a second radius of curvature in a second spatial plane that intersects the first spatial plane, a magnitude of the second radius of curvature different than a magnitude of the first radius of curvature. 29. The medical system of claim 27 wherein the proximal and the distal portions of the structure are physically coupled together to pivot with respect to one another when the structure is in the deployed configuration. 30. The medical system of claim 27 wherein the proximal and the distal portions of the structure are pivotably coupled together by a flexure portion of the structure when the structure is in the deployed configuration. 31. The medical system of claim 27, further comprising at least one actuator operably coupled to the structure to selectively pivot the proximal and the distal portions of the structure with respect to one another when the structure is in the deployed configuration. 32. The medical system of claim 27, further comprising at least one flexible line arranged to physically couple the proximal and the distal portions of the structure together, the at least one flexible line manipulable to vary a distance between the proximal and the distal portions of the structure when the structure is in the deployed configuration. 33. The medical system of claim 27, further comprising at least one actuator selectively operable to act on at least the proximal portion or the distal portion of the structure to distort a respective one of the first domed shape or the second domed shape when the structure is in the deployed configuration. 34. The medical system of claim 27 wherein each of the first domed shape and the second domed shape has a respective volume therein, and the medical system further comprises at least one actuator selectively operable to act on the structure to vary the respective volume of at least the first domed shape or the second domed shape when the structure is in the deployed configuration. 35. The medical system of claim 27 wherein each of the proximal and the distal portions of the structure are arranged to pivot with respect to one another about a pivot location when the structure is in the deployed configuration, each of the first domed shape and the second domed shape comprising a respective apex and a respective height extending normally from a respective spatial plane to the respective apex, each respective spatial plane positioned to intersect the pivot location, and wherein the medical system further comprises at least one actuator selectively operable to act on at least the proximal portion or the distal portion of the structure to vary at least a magnitude of the respective height of the first domed shape or a magnitude of the respective height of the second domed shape when the structure is in the deployed configuration. 36. The medical system of claim 27 wherein the structure comprises a plurality of elongate members, each of the proximal and the distal portions of the structure comprising a respective part of each elongate member of the plurality of elongate members. 37. The medical system of claim 36 wherein each elongate member of at least some of the plurality of elongate members crosses at least one other elongate member of the plurality of elongate members at least at one location between the proximal and the distal portions of the structure when the structure is in the deployed configuration. 38. The medical system of claim 36 wherein each elongate member of the plurality of elongate members comprises a first end, a second end, and a respective length between the first end and the second end of the elongate member, each elongate member of at least some of the plurality of elongate members crossing at least one other elongate member of the plurality of elongate members at each of a respective plurality of spaced apart locations along the length of the one other elongate member when the structure is in the deployed configuration. 39. The medical system of claim 38 wherein each respective plurality of spaced apart locations along the length of the one other elongate member comprises at least one location between the respective part of the one other elongate member comprised by the proximal portion of the structure and the respective part of the one other elongate member comprised by the distal portion of the structure. 40. The medical system of claim 36 wherein at least some of the plurality of elongate members are fanned with respect to one another about an axis that passes through a location between the proximal and the distal portions of the structure when the structure is in the deployed configuration, the location located on one of the plurality of elongate members. 41. The medical system of claim 36 wherein each elongate member of the plurality of elongate members comprises a first end, a second end, an intermediate portion positioned between the first end and the second end of the elongate member, and a thickness, the respective intermediate portion of each elongate member comprising a front surface and a back surface opposite across the thickness from the front surface, and wherein the intermediate portions of the plurality of elongate members are arranged front surface-toward-back surface in a stacked array when the structure is in the delivery configuration. 42. The medical system of claim 41 wherein the stacked array comprises a plurality of successive pairs of the elongate members when the structure is in the delivery 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 delivery configuration. 43. The medical system of claim 36 wherein each elongate member of the plurality of elongate members comprises a first end, a second end, and an intermediate portion positioned between the first end and the second end of the elongate member, the respective intermediate portion of each elongate member of at least some of the plurality of elongate members comprising a slotted opening between the respective first and the respective second ends of the elongate member, at least two of the slotted openings arranged to cross one another when the structure is in the deployed configuration. 44. The medical system of claim 43, further comprising at least one actuator selectively operable to act on the structure to change a location where the at least two slotted openings cross one another when the structure is in the deployed configuration. 45. The medical system of claim 27, further comprising one or more transducers moveable with one or more parts of the structure. 46. The medical system of claim 27 wherein the proximal portion of the structure does not form a domed shape when the structure is in the delivery configuration, and the distal portion of the structure does not form a domed shape when the structure is in the delivery configuration. 47. The medical system of claim 27 wherein the structure comprises a plurality of elongate members, each of the plurality of elongate members comprising a scrolled or volute shape profile when the structure is in the deployed configuration. 48. The medical system of claim 27, further comprising a plurality of transducers located at least on an outward-facing surface of at least the first domed shape formed by the proximal portion of the structure or the second domed shape formed by the distal portion of the structure. 49. The medical system of claim 27 wherein the structure comprises a plurality of elongate members, each elongate member of the plurality of elongate members comprising a first end, a second end, a respective intermediate portion between the first and the second ends of the elongate member, and a respective length between the first and the second ends of the elongate member, and wherein the intermediate portions of the plurality of elongate members are circumferentially arranged about a first axis when the structure is in the deployed configuration, the first axis passing through each of at least a first elongate member of the plurality of elongate members when the structure is in the deployed configuration, the first axis passing through the first elongate member at two or more locations when the structure is in the deployed configuration, each location of the two or more locations spaced from another location of the two or more locations along the respective length of the first elongate member. 50. The medical system of claim 49 wherein the two or more locations comprise at least three locations spaced with respect to one another along the respective length of the first elongate member. 51. The medical system of claim 27 wherein the structure comprises a plurality of elongate members, each elongate member of the plurality of elongate members comprising a first end, a second end, a respective intermediate portion between the first and the second ends of the elongate member, and a respective length between the first and the second ends 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 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 first end and the respective second end of the second elongate member when the structure is in the deployed configuration. 52. The medical system of claim 51 further comprising a plurality of couplers, each of which 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, wherein at 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 deployed configuration. 53. The medical system of claim 52 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, 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 least the first elongate member at the at least one location of the one or more locations when the structure is in the deployed configuration. 54. The medical system of claim 53 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 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. 55. The medical system of claim 51 wherein each elongate member of the plurality of elongate members is arranged to be advanced first end ahead of the second end through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration, wherein the medical system further comprises a plurality of couplers, each of which 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 location of the one or more locations is located along the respective length of the second elongate member relatively closer to the respective first 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. 56. The medical system of claim 55 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 surface of the respective intermediate portion of the second elongate member outwardly faces the back surface of the respective intermediate portion of at least the first elongate member at the at least one location of the one or more locations when the structure is in the deployed 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 when the structure is in the deployed 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 deployed configuration. 57. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member comprising a first end, a second end, and an intermediate portion positioned between the first and the second ends of the elongate member, each intermediate portion comprising a thickness, a front surface and a back surface opposite across the thickness from the front surface, the structure further comprising a proximal portion and a distal portion, the structure selectively moveable between: a delivery configuration in which the structure is sized for delivery through a bodily opening leading to a bodily cavity, the distal portion of the structure arranged to be advanced ahead of the proximal portion when the structure is in the delivery configuration, and 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; anda deployed configuration in which the structure is sized too large for delivery through the bodily opening leading to the bodily cavity, the proximal portion of the structure forming a first domed shape and the distal portion of the structure forming a second domed shape when the structure is in the deployed configuration,wherein each of the first domed shape and the second domed shape comprises a respective apex, each of the at least three elongate members comprises a respective particular portion, and the particular portions of the at least three 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 deployed configuration. 58. The medical system of claim 57 wherein at least the first domed shape or the second domed shape has a first radius of curvature in a first spatial plane and a second radius of curvature in a second spatial plane that intersects the first spatial plane, a magnitude of the second radius of curvature different than a magnitude of the first radius of curvature. 59. The medical system of claim 57 wherein each elongate member of at least some of the plurality of elongate members crosses at least one other elongate member of the plurality of elongate members at least at one location between the proximal and the distal portions of the structure when the structure is in the deployed configuration. 60. The medical system of claim 57 wherein each elongate member of the plurality of elongate members comprises a respective length between the first end and the second end of the elongate member, each elongate member of at least some of the plurality of elongate members crossing at least one other elongate member of the plurality of elongate members at each of a respective plurality of spaced apart locations along the length of the one other elongate member of the plurality of elongate members when the structure is in the deployed configuration. 61. The medical system of claim 57 wherein at least some of the plurality of elongate members are fanned with respect to at least one of the plurality of elongate members about an axis passing through a location between the proximal and the distal portions of the structure when the structure is in the deployed configuration, the location located on one of the plurality of elongate members. 62. The medical system of claim 57 wherein at least two of the elongate members each comprises one or more transducers. 63. The medical system of claim 57 wherein the proximal portion of the structure does not form a domed shape when the structure is in the delivery configuration, and the distal portion of the structure does not form a domed shape when the structure is in the delivery configuration. 64. The medical system of claim 57 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. 65. The medical system of claim 57, further comprising a plurality of transducers located at least on an outward-facing surface of at least the first domed shape formed by the proximal portion of the structure or the second domed shape formed by the distal portion of the structure. 66. The medical system of claim 57 wherein each elongate member of the plurality of elongate members comprises a respective length between the first and the second ends of the elongate member, and wherein the intermediate portions of the plurality of elongate members are circumferentially arranged about a first axis when the structure is in the deployed configuration, the first axis passing through each of at least a first elongate member of the plurality of elongate members when the structure is in the deployed configuration, the first axis passing through the first elongate member at two or more locations when the structure is in the deployed configuration, each location of the two or more locations spaced from another location of the two or more locations along the respective length of the first elongate member. 67. The medical system of claim 66 wherein the two or more locations comprise at least three locations spaced with respect to one another along the respective length of the first elongate member. 68. The medical system of claim 57 wherein each elongate member of the plurality of elongate members comprises a respective length between the first and the second ends 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 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 first end and the respective second end of the second elongate member when the structure is in the deployed configuration. 69. The medical system of claim 68, further comprising a plurality of couplers, each of which 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, wherein at 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 deployed configuration. 70. The medical system of claim 69 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 least the first elongate member at the at least one location of the one or more locations when the structure is in the deployed configuration. 71. The medical system of claim 70 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 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. 72. The medical system of claim 68 wherein each elongate member of the plurality of elongate members is arranged to be advanced first end ahead of the second end through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration, wherein the medical system further comprises a plurality of couplers, each of which 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 location of the one or more locations is located along the respective length of the second elongate member relatively closer to the respective first 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. 73. The medical system of claim 72 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 least the first elongate member at the at least one location of the one or more locations when the structure is in the deployed configuration. 74. The medical system of claim 73 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 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. 75. The medical system of claim 57 wherein each of the at least three elongate members is arranged to be advanced first end ahead of the second end through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration. 76. The medical system of claim 75 wherein the plurality of elongate members comprises a first set of the elongate members and a second set of the elongate members, the first set of the elongate members different than the second set of the elongate members, and wherein, when the structure is moved from the delivery configuration toward the deployed configuration or from the deployed configuration toward the delivery configuration, the first set of the elongate members is moved along an angular direction that is opposite to an angular direction that the second set of the elongate members is moved along. 77. The medical system of claim 57 wherein the intermediate portions of the plurality of elongate members are circumferentially arranged about an axis when the structure is in the deployed configuration, the respective intermediate portions of the at least three elongate members spaced from the axis when the structure is in the deployed configuration. 78. The medical system of claim 57 wherein the plurality of elongate members comprise a first set of the elongate members and a second set of the elongate members, the first set of the elongate members different than the second set of the elongate members, and wherein, when the structure is moved from the delivery configuration toward the deployed configuration or from the deployed configuration toward the delivery configuration, the first set of the elongate members is moved along an angular direction that is opposite to an angular direction that the second set of the elongate members is moved along. 79. The medical system of claim 57 wherein: each particular elongate member of the plurality of elongate members comprises a respective length between the respective first and the respective second ends of the particular elongate member, andat least a first elongate member of the plurality of elongate members is crossed by each of at least two others of the plurality of elongate members at each of one or more locations along the respective length of the first elongate member when the structure is in the deployed configuration, each of the one or more locations spaced along the respective length of the first elongate member from the respective apex of each of the first domed shape and the second domed shape when the structure is in the deployed configuration. 80. The medical system of claim 57 wherein the respective particular portion of at least a first elongate member of the at least three elongate members is crossed by the respective particular portion of each elongate member of at least two others of the at least three elongate members at least between the proximal and the distal portions of the structure when the structure is in the deployed configuration. 81. The medical system of claim 57 wherein the respective particular portions of the at least three elongate members are fanned with respect to one another at least between the proximal and the distal portions of the structure when the structure is in the deployed configuration. 82. The medical system of claim 57 wherein the stacked array comprises a plurality of successive pairs of the elongate members when the structure is in the delivery 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 delivery configuration. 83. The medical system of claim 57 wherein the front surfaces of the intermediate portions of the at least three 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 intermediate portions of the at least three elongate members face inwardly toward the interior region within the structure when the structure is in the deployed configuration. 84. A medical system comprising: a structure comprising a plurality of elongate members and at least one coupler arranged to physically couple at least a first elongate member of the plurality of elongate members together with a second elongate member of the 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, each intermediate portion comprising a front surface and a back surface opposite across the thickness of the elongate member from the front surface, a respective geodesic extending along a portion of each elongate member of the plurality of elongate members between a location at least proximate the proximal end of the elongate member and another location at least proximate the distal end of the elongate member, each geodesic located at least on the front surface of the respective intermediate portion of the elongate member, and wherein the structure is selectively moveable between:an unexpanded configuration in which the structure is sized for delivery through a bodily opening leading to a bodily cavity and in which at least the respective intermediate portions of at least three elongate members of the plurality of elongate members are arranged with respect to one another along a first direction front surface-toward-back surface in a stacked array, each elongate member of the plurality of elongate members 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, andan expanded configuration in which the structure is sized too large for delivery through the bodily opening leading to the bodily cavity, at least the first elongate member positioned such that the respective geodesic of the first elongate member crosses the respective geodesic of the second elongate member at a first location along the respective geodesic of the second elongate member as viewed normally to a respective portion of the front surface of the intermediate portion of the second elongate member over which the first location along the respective geodesic of the second elongate member is positioned, the first location spaced from the one coupler along the second elongate member, and the first location positioned along the second elongate member between the one coupler and the distal end of the second elongate member when the structure is in the expanded configuration,wherein the structure comprises at least one other coupler arranged to physically couple at least the first elongate member together with the second elongate member, the one other coupler positioned relatively closer to the distal end of the second elongate member than the one coupler, and wherein the first location is positioned between the one coupler and the one other coupler along the second elongate member when the structure is in the expanded configuration, the first location spaced from the one other coupler along the second elongate member, andwherein the back surface of the respective intermediate portion of at least the first elongate member contacts the front surface of the respective intermediate portion of the second elongate member at the first location when the structure is in the expanded configuration. 85. The medical system of claim 84 wherein at least some of the plurality of elongate members are fanned with respect to at least the second elongate member about one or more axes when the structure is in the expanded configuration, the second elongate member curved such that the one or more axes pass through the second elongate member at each of two or more locations, each location of the two or more locations spaced from each other along a length of the second elongate member between the proximal and distal ends of the second elongate member. 86. The medical system of claim 85 wherein the two or more locations comprise three or more locations, each location of the three or more locations spaced from each other along the length of the second elongate member between the proximal and distal ends of the second elongate member. 87. The medical system of claim 84 wherein, when the structure is moved from the unexpanded configuration toward the expanded 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. 88. The medical system of claim 84 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. 89. The medical system of claim 84 wherein the front surfaces of the intermediate portions of the at least three 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 at least three elongate members face inwardly toward the interior region within the structure when the structure is the expanded configuration. 90. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member of the plurality of elongate members comprising a first end and a second end, an intermediate portion between the first end and the second end of the elongate member, and a respective length between the first end and the second end of the elongate member, the structure further comprising a plurality of couplers comprising a proximal coupler, a distal coupler and at least one intermediate coupler, each coupler of the plurality of couplers spaced from another of the plurality of couplers along the respective length of each of at least a first elongate member of the plurality of elongate members with the at least one intermediate coupler positioned between the proximal coupler and the distal coupler, each coupler of the plurality of couplers arranged to couple at least the first elongate member together with least one other elongate member of the plurality of elongate members, and wherein the structure is selectively moveable between:an unexpanded configuration in which the elongate members of the plurality of elongate members are sized and arranged to be deliverable through a bodily opening leading to a bodily cavity within a body, the bodily cavity having an interior tissue surface interrupted by a port of the bodily opening, and the plurality of couplers arranged to be advanced distal coupler first into the bodily cavity when the structure is in the unexpanded configuration, andan expanded configuration in which at least part of the structure is locatable at a position in the bodily cavity with at least both the proximal coupler and the distal coupler positioned relatively closer to the port of the bodily opening than each of the at least one intermediate coupler. 91. The medical system of claim 90 wherein, when the structure is in the expanded configuration, the at least part of the structure is locatable at the position in the bodily cavity with the proximal coupler positioned relatively closer to the port of the bodily opening than the distal coupler. 92. The medical system of claim 90 wherein, when the structure is in the expanded configuration, the at least part of the structure is locatable at the position in the bodily cavity with the distal coupler positioned relatively closer to the port of the bodily opening than the proximal coupler. 93. The medical system of claim 90 wherein each elongate member of the plurality of elongate members comprises a thickness, each intermediate portion comprising a front surface and a back surface opposite across the thickness of the elongate member from the front surface, wherein 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 unexpanded configuration, and wherein the front surfaces of the intermediate portions of the at least three elongate members face outwardly from the structure when the structure is in the expanded configuration. 94. The medical system of claim 90 wherein at least the intermediate portions of the elongate members of the plurality of elongate members are arranged successively with respect to one another along a first direction in a stacked array when the structure is in the unexpanded configuration, 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. 95. The medical system of claim 90 wherein, in the expanded configuration, the structure has a size too large to be deliverable through the bodily opening leading to the bodily cavity. 96. A medical system comprising: a catheter sheath comprising a first end, a second end and a lumen therebetween; anda 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 and the distal ends of the elongate member, the structure selectively moveable between:an unexpanded configuration in which the elongate members of the plurality of elongate members are arranged successively with respect to one another along a first direction in a stacked arrangement, the stacked arrangement sized to be deliverable through the lumen of the catheter sheath from the first end of the catheter sheath toward the second end of the catheter sheath, a particular portion of one elongate member of the plurality of elongate members in the stacked arrangement positioned to be advanced from the second end of the catheter sheath prior to each of at least some of the other elongate members of the plurality of elongate members in the stacked arrangement when the stacked arrangement is delivered through the lumen of the catheter sheath from the first end of the catheter sheath toward the second end of the catheter sheath, andan expanded configuration in which the structure is expanded to have a size too large to be delivered through the lumen of the catheter sheath. 97. The medical system of claim 96 wherein each elongate member of the plurality of elongate members comprises a respective length between the proximal and the distal ends of the elongate member, and the respective length of the one elongate member is longer than each of the respective lengths of the at least some of the other elongate members of the plurality of elongate members. 98. The medical system of claim 96 wherein the particular portion of the one elongate member is cantilevered from the stacked arrangement when the structure is in the unexpanded configuration. 99. The medical system of claim 96 wherein the one elongate member is an outermost elongate member in the stacked arrangement when the structure is in the unexpanded configuration. 100. The medical system of claim 96wherein each intermediate portion of 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,wherein, in the unexpanded configuration, the front surface of the intermediate portion of the one elongate member faces the back surface of the intermediate portion of a first elongate member of the plurality of elongate members in the stacked arrangement, andwherein, in the unexpanded configuration, the back surface of the intermediate portion of the one elongate member faces the front surface of the intermediate portion of a second elongate member of the plurality of elongate members in the stacked arrangement. 101. The medical system of claim 96wherein respective particular portions of at least two of the plurality of elongate members in the stacked arrangement are positioned to be advanced from the second end of the catheter sheath prior to each of the at least some of the other elongate members of the plurality of elongate members in the stacked arrangement, andwherein the at least two of the plurality of elongate members include the one elongate member. 102. The medical system of claim 96 wherein each elongate member of the plurality of elongate members comprises a respective length between the proximal and the distal ends 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 locations along the respective length of the second elongate member when the structure is in the expanded configuration, 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. 103. The medical system of claim 102, further comprising a plurality of couplers, each of which physically couples at least the second elongate member together with at least one other particular 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, wherein at 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. 104. The medical system of claim 102 wherein each elongate member of the plurality of elongate members is arranged to be advanced distal end ahead of the proximal end through the lumen of the catheter sheath from the first end of the catheter sheath toward the second end of the catheter sheath when the structure is in the unexpanded configuration, wherein the medical system further comprises a plurality of couplers, each of which physically couples at least the second elongate member together with at least one other particular 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 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. 105. The medical system of claim 96 wherein the respective intermediate portion of each elongate member of at least one particular elongate member of the plurality of elongate members is preformed to autonomously bend about a respective bending axis as the respective intermediate portion of the elongate member of the at least one particular elongate member is advanced from the second end of the catheter sheath. 106. The medical system of claim 96, further comprising a bending unit that acts on at least one particular elongate member of the plurality of elongate members to bend each elongate member of a set of the plurality of elongate members about a respective bending axis when the respective intermediate portion of the elongate member of the set of the plurality of elongate members is advanced from the second end of the catheter sheath. 107. The medical system of claim 96 wherein each elongate member of the plurality of elongate members is arranged to be advanced distal end first as the stacked arrangement is delivered through the lumen of the catheter sheath from the first end of the catheter sheath toward the second end of the catheter sheath. 108. The medical system of claim 96 wherein the stacked arrangement 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 arrangement when the structure is in the unexpanded configuration. 109. A medical system comprising: a structure comprising a plurality of elongate members, each elongate member comprising a first end, a second end, and an intermediate portion positioned between the first and the second ends of the elongate member, each intermediate portion comprising a thickness, a front surface and a back surface opposite across the thickness from the front surface, the structure further comprising 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 structure selectively moveable between: a delivery configuration in which the structure is sized for delivery through a bodily opening leading to a bodily cavity, at least the respective intermediate portions of at least three elongate members of the plurality of elongate members linearly arrayed along a first direction front surface-toward-back surface in a stacked array when the structure is in the delivery configuration; anda deployed configuration in which the structure is sized too large for delivery through the bodily opening leading to the bodily cavity, the proximal portion of the structure forming a first domed shape and the distal portion of the structure forming a second domed shape when the structure is in the deployed configuration,wherein each of the plurality of elongate members comprises a scrolled or volute shape profile when the structure is in the deployed configuration. 110. The medical system of claim 109 wherein: each elongate member of the plurality of elongate members comprises a respective length between the first end and the second end of the elongate member;each elongate member of at least one of the plurality of elongate members crosses at least one other elongate member of the plurality of elongate members at each of a respective plurality of spaced apart locations along the respective length of the one other elongate member when the structure is in the deployed configuration; andfor each elongate member of the at least one of the plurality of elongate members, the front surface of the intermediate portion of the one other elongate member faces toward the respective back surface of the respective intermediate portion of the elongate member of the at least one of the plurality of elongate members at each of the respective plurality of spaced apart locations along the respective length of the one other elongate member when the structure is in the deployed configuration. 111. The medical system of claim 109 wherein each elongate member of the plurality of elongate members comprises a respective length between the first and the second ends of the elongate member, and wherein the elongate members of the plurality of elongate members are circumferentially arranged about a first axis when the structure is in the deployed configuration, the first axis passing through each of at least a first elongate member of the plurality of elongate members when the structure is in the deployed configuration, the first axis passing through the first elongate member at two or more locations when the structure is in the deployed configuration, each location of the two or more locations spaced from another location of the two or more locations along the respective length of the first elongate member. 112. The medical system of claim 111 wherein the two or more locations comprise at least three locations spaced with respect to one another along the respective length of the first elongate member. 113. The medical system of claim 109 wherein: each of the first domed shape and the second domed shape comprises a respective apex;the structure is arranged to be advanced distal portion first through the bodily opening leading to the bodily cavity when the structure is in the delivery configuration;each particular elongate member of the plurality of elongate members comprises a respective length between the first end and the second end of the particular elongate member; andat least a first elongate member of the plurality of elongate members is crossed by each of at least two others of the plurality of elongate members at each of one or more locations along the respective length of the first elongate member when the structure is in the deployed configuration, each of the one or more locations spaced along the respective length of the first elongate member from the respective apex of each of the first domed shape and the second domed shape when the structure is in the deployed configuration. 114. The medical system of claim 109 wherein, when the structure is moved from the delivery configuration toward the deployed 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. 115. The medical system of claim 109 wherein the stacked array comprises a plurality of successive pairs of the elongate members when the structure is in the delivery 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 delivery configuration.
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