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-0793213 (2013-03-11) |
등록번호 | US-9480525 (2016-11-01) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 8 인용 특허 : 230 |
A medical device system is disclosed including a high-density arrangement of transducers, which may be configured to ablate, stimulate, or sense characteristics of tissue inside a bodily cavity, such as an intra-cardiac cavity. High-density arrangements of transducers may be achieved, at least in pa
A medical device system is disclosed including a high-density arrangement of transducers, which may be configured to ablate, stimulate, or sense characteristics of tissue inside a bodily cavity, such as an intra-cardiac cavity. High-density arrangements of transducers may be achieved, at least in part, by overlapping elongate members on which the transducers are located, and varying sizes, shapes, or both of the transducers, especially in view of the overlapping of the elongate members. Also, the high-density arrangements of transducers may be achieved, at least in part, by including one or more recessed portions in an elongate member in order to expose one or more transducers on an underlying elongate member in a region adjacent an elongate-member-overlap region.
1. A medical device system comprising: a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, the structure comprising a plurality of elongate members, the plurality of electrodes including a plurality of sets of the electrodes, each respective
1. A medical device system comprising: a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, the structure comprising a plurality of elongate members, the plurality of electrodes including a plurality of sets of the electrodes, each respective set of the plurality of sets of the electrodes located on a respective one of the elongate members, and each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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, wherein the structure is selectively moveable between:a delivery configuration in which the structure is sized for percutaneous delivery to the 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 percutaneous delivery to the bodily cavity, a first elongate member of the plurality of elongate members positioned such that a portion of the front surface of the first elongate member overlaps a portion of the respective front surface of each of at least a second elongate member of the plurality of elongate members as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration,wherein at least a first electrode of the plurality of electrodes is located at least on the portion of the front surface of the first elongate member, andwherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member at least when the structure is in the deployed configuration. 2. The medical device system of claim 1 wherein each of the front surfaces of the plurality of elongate members faces an outward direction of the structure when the structure is in the deployed configuration. 3. The medical device system of claim 1 wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member when the structure is in the delivery configuration. 4. The medical device system of claim 1 wherein the portion of the front surface of the second elongate member contacts the back surface of the first elongate member when the structure is in the deployed configuration. 5. The medical device system of claim 1 wherein each electrode in each set of the plurality of sets of the electrodes is located solely on the front surface of a respective one of the elongate members. 6. The medical device system of claim 1 wherein the intermediate portions of the elongate members are angularly arranged with respect to one another about an axis when the structure is in the deployed configuration. 7. The medical device system of claim 6 wherein at least some of the plurality of electrodes are radially spaced about the axis when the structure is in the deployed configuration. 8. The medical device system of claim 6 wherein at least some of the plurality of electrodes are circumferentially arranged about the axis when the structure is in the deployed configuration. 9. The medical device system of claim 6 wherein the intermediate portion of the first elongate member crosses the intermediate portion of the second elongate member at a location on the structure passed through by the axis when the structure is in the deployed configuration. 10. The medical device system of claim 6 wherein each of the portion of the front surface of the first elongate member and the portion of the front surface of the second elongate member is passed through by the axis when the structure is in the deployed configuration. 11. The medical device system of claim 6 wherein the intermediate portion of the first elongate member is adjacent the intermediate portion of the second elongate member when the structure is in the deployed configuration. 12. The medical device system of claim 6 wherein at least one electrode of the plurality of electrodes is passed through by the axis when the structure is in the deployed configuration. 13. The medical device system of claim 12 wherein a particular electrode of the at least one electrode is located adjacently to the first electrode on the portion of the front surface of the first elongate member. 14. The medical device system of claim 6 wherein at least some of the plurality of electrodes are arranged in a plurality of concentric ringed arrangements when the structure is in the deployed configuration, a first one of the plurality of concentric ringed arrangements having a fewer number of the electrodes than a second one of the plurality of concentric ringed arrangements, the first one of the plurality of concentric ringed arrangements comprising the first electrode. 15. The medical device system of claim 6 wherein each of the plurality of elongate members comprises a curved portion having a curvature configured to cause the curved portion to extend along at least a portion of a respective curved path, the curvature configured to cause the curved path to intersect the axis at each of a respective at least two spaced apart locations along the axis when the structure is in the deployed configuration. 16. The medical device system of claim 1 wherein: each intermediate portion further comprises a respective pair of side edges of the front surface, the back surface, or both the front surface and the back surface of the intermediate portion, the side edges of each pair of side edges opposite to one another, each of the side edges of each pair of side edges extending between the proximal end and the distal end of the respective elongate member, andthe first elongate member is positioned such that a first side edge of the pair of side edges of the first elongate member crosses a second side edge of the pair of side edges of the second elongate member when the structure is in the deployed configuration, a portion of the first side edge forming a recessed portion of the first elongate member that exposes at least a portion of a second electrode located on the portion of the front surface of the second elongate member as viewed normally to the portion of the front surface of the second elongate member when the structure is in the deployed configuration. 17. The medical device system of claim 1 wherein each of the plurality of elongate members is arranged to be advanced distal end ahead of proximal end toward the bodily cavity when the structure is in the delivery configuration. 18. The medical system of claim 1 wherein: the structure includes a proximal portion and a distal portion,the structure is arranged to be advanced distal portion ahead of proximal portion toward 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 deployed configuration, the proximal and the distal portions of the structure arranged in a clam shell configuration when the structure is in the deployed configuration. 19. The medical device system of claim 1 comprising a controller and an energy source device system, the controller communicatively connected to the energy source device system, and the energy source device system connected to the plurality of electrodes, wherein the controller is configured to cause, via the energy source device system, each of at least one electrode of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 20. The medical device system of claim 19 wherein the energy is sufficient for tissue ablation. 21. The medical device system of claim 19 wherein the controller is configured to cause each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 22. The medical device system of claim 19 wherein the controller is configured to cause each of the at least one electrode to receive energy when the structure is in the deployed configuration. 23. The medical device system of claim 19 wherein the controller is configured to cause each of the at least one electrode to sense a characteristic of tissue in the bodily cavity when the structure is in the bodily cavity in the deployed configuration. 24. The medical device system of claim 1 comprising a controller communicatively connected to the plurality of electrodes, wherein the controller is configured to cause each of at least one electrode of the plurality of electrodes to ablate tissue in the bodily cavity when the structure is positioned in the bodily cavity in the deployed configuration. 25. A medical device system comprising: a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, each electrode of the plurality of electrodes individually activatable and the structure comprising a plurality of elongate members, each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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, and each intermediate portion further comprising a respective pair of side edges of the front surface, the back surface, or both the front surface and the back surface, the side edges of each pair of side edges opposite to one another, the side edges of each pair of side edges extending between the proximal end and the distal end of the respective elongate member, wherein the structure is selectively moveable between:a delivery configuration in which the structure is sized for percutaneous delivery to a bodily cavity, anda deployed configuration in which the structure is sized too large for percutaneous delivery to the bodily cavity, at least a first elongate member of the plurality of elongate members positioned such that a first side edge of the pair of side edges of the first elongate member crosses a first side edge of the pair of side edges of a second elongate member of the plurality of elongate members at a first location and crosses a second side edge of the pair of side edges of the second elongate member at a second location when the structure is in the deployed configuration, each of one or more of the plurality of electrodes wholly located on a portion of the second elongate member, the portion of the second elongate member located between a first transverse line and a second transverse line when the structure is in the deployed configuration, the first transverse line extending across a first width of the second elongate member at the first location, and the second transverse line extending across a second width of the second elongate member at the second location. 26. The medical device system of claim 25 wherein the first width is different than the second width. 27. The medical device system of claim 25 wherein the first width and the second width are widths of the front surface of the second elongate member. 28. The medical device system of claim 25 wherein the one or more of the plurality of electrodes comprises two or more of the plurality of electrodes. 29. The medical device system of claim 25 wherein some, but less than all, of a particular electrode of the plurality of electrodes is located on the portion of the second elongate member. 30. The medical device system of claim 25 wherein a first electrode of the one or more of the plurality of electrodes comprises a first electrode edge that forms part of a periphery of an electrically conductive surface of the first electrode, the first electrode edge arranged to follow a portion of the first side edge of the first elongate member between the first location and the second location when the structure is in the deployed configuration. 31. The medical device system of claim 30 wherein the first electrode comprises a second electrode edge opposite across the electrically conductive surface from the first electrode edge, the second electrode edge forming part of the periphery of the electrically conductive surface of the first electrode, and the second electrode edge arranged to follow a portion of one of the pair of side edges of the second elongate member. 32. The medical device system of claim 25 wherein the intermediate portions of the elongate members are angularly arranged with respect to one another about an axis when the structure is in the deployed configuration. 33. The medical device system of claim 32 wherein at least some of the plurality of electrodes are radially spaced about the axis when the structure is in the deployed configuration. 34. The medical device system of claim 32 wherein at least some of the plurality of electrodes are circumferentially arranged about the axis when the structure is in the deployed configuration. 35. The medical device system of claim 32 wherein the intermediate portion of the first elongate member crosses the intermediate portion of the second elongate member at a location on the structure passed through by the axis when the structure is in the deployed configuration. 36. The medical device system of claim 32 wherein the intermediate portion of the first elongate member is adjacent the intermediate portion of the second elongate member when the structure is in the deployed configuration. 37. The medical device system of claim 32 wherein a particular one of the plurality of electrodes is passed through by the axis when the structure is in the deployed configuration. 38. The medical device system of claim 37 wherein the one or more of the plurality of electrodes includes a first electrode, the first electrode located on the structure adjacent the particular one of the plurality of electrodes when the structure is in the deployed configuration. 39. The medical device system of claim 32 wherein the one or more of the plurality of electrodes includes a first electrode, and wherein at least some of the plurality of electrodes are arranged in a plurality of concentric ringed arrangements when the structure is in the deployed configuration, a first one of the plurality of concentric ringed arrangements having a fewer number of the electrodes than a second one of the plurality of concentric ringed arrangements, the first one of the plurality of concentric ringed arrangements comprising the first electrode. 40. The medical device system of claim 32 wherein each of the plurality of elongate members comprises a curved portion having a curvature configured to cause the curved portion to extend along at least a portion of a respective curved path, the curvature configured to cause the curved path to intersect the axis at each of a respective at least two spaced apart locations along the axis when the structure is in the deployed configuration. 41. The medical device system of claim 25 wherein a portion of the first side edge of the first elongate member extending between the first location and the second location forms a recessed portion of the first elongate member that exposes at least a portion of a particular electrode of the one or more of the plurality of electrodes as viewed normally to a surface of the exposed portion of the particular electrode of the one or more of the plurality of electrodes when the structure is in the deployed configuration. 42. The medical device system of claim 25 wherein each of the plurality of elongate members is arranged to be advanced distal end ahead of proximal end toward the bodily cavity when the structure is in the delivery configuration. 43. The medical device system of claim 25 wherein a portion of the front surface of the first elongate member overlaps a portion of the respective front surface of each of at least the second elongate member as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration. 44. The medical device system of claim 43 wherein the portion of the respective front surface of each of the at least the second elongate member and the portion of the front surface of the first elongate member are stacked front surface-toward-back surface when the structure is in the deployed configuration. 45. The medical device system of claim 44 wherein the one or more of the plurality of electrodes comprises two or more of the plurality of electrodes. 46. The medical device system of claim 25 wherein a portion of the front surface of the first elongate member overlaps a portion of the front surface of the second elongate member between the first location and the second location as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration. 47. The medical device system of claim 46 wherein the portion of the front surface of the second elongate member and the portion of the front surface of the first elongate member are stacked front-surface-toward-back-surface when the structure is in the deployed configuration. 48. The medical device system of claim 47 wherein the one or more of the plurality of electrodes comprises two or more of the plurality of electrodes. 49. The medical device system of claim 25 wherein at least the respective intermediate portions of at least three elongate members of the plurality of elongate members are arrayed along a first direction front surface-toward-back surface in a stacked array when the structure is in the delivery configuration. 50. The medical device system of claim 49 wherein the structure further comprises a proximal portion and a distal portion, each of the proximal and the distal portions comprising a respective part of each of the plurality of elongate members, 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. 51. The medical device system of claim 25 wherein: the structure includes a proximal portion and a distal portion,the structure is arranged to be advanced distal portion ahead of proximal portion toward 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 deployed configuration, the proximal and the distal portions of the structure arranged in a clam shell configuration when the structure is in the deployed configuration. 52. The medical device system of claim 25 comprising a controller and an energy source device system, the controller communicatively connected to the energy source device system, and the energy source device system connected to the plurality of electrodes, wherein the controller is configured to cause, via the energy source device system, each of at least one electrode of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 53. The medical device system of claim 52 wherein the energy is sufficient for tissue ablation. 54. The medical device system of claim 52 wherein the controller is configured to cause each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 55. The medical device system of claim 52 wherein the controller is configured to cause each of the at least one electrode to receive energy when the structure is in the deployed configuration. 56. The medical device system of claim 52 wherein the controller is configured to cause each of the at least one electrode to sense a characteristic of tissue in the bodily cavity when the structure is in the bodily cavity in the deployed configuration. 57. The medical device system of claim 25 comprising a controller communicatively connected to the plurality of electrodes, wherein the controller is configured to cause each of at least one electrode of the plurality of electrodes to ablate tissue in the bodily cavity when the structure is positioned in the bodily cavity in the deployed configuration. 58. A medical device system comprising: a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, the structure comprising a plurality of elongate members, the plurality of electrodes including a plurality of sets of the electrodes, each respective set of the plurality of sets of the electrodes located on a respective one of the elongate members, and each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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, wherein the structure is selectively moveable between:a delivery configuration in which the structure is sized for percutaneous delivery to the bodily cavity, anda deployed configuration in which the structure is sized too large for percutaneous delivery to the bodily cavity, a first elongate member of the plurality of elongate members positioned such that a portion of the front surface of the first elongate member overlaps a portion of the respective front surface of each of at least a second elongate member of the plurality of elongate members and a third elongate member of the plurality of elongate members as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration,wherein at least a first electrode of the plurality of electrodes is located at least on the portion of the front surface of the first elongate member,wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member at least when the structure is in the deployed configuration, andwherein the portion of the front surface of the third elongate member faces the back surface of the second elongate member at least when the structure is in the deployed configuration. 59. The medical device system of claim 58 wherein each of the front surfaces of the plurality of elongate members faces an outward direction of the structure when the structure is in the deployed configuration. 60. The medical device system of claim 58 wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member when the structure is in the delivery configuration. 61. The medical device system of claim 58 wherein the portion of the front surface of the second elongate member contacts the back surface of the first elongate member when the structure is in the deployed configuration. 62. The medical device system of claim 58 wherein each electrode in each set of the plurality of sets of the electrodes is located solely on the front surface of a respective one of the elongate members. 63. The medical device system of claim 58 wherein the intermediate portions of the elongate members are angularly arranged with respect to one another about an axis when the structure is in the deployed configuration. 64. The medical device system of claim 63 wherein at least some of the plurality of electrodes are radially spaced about the axis when the structure is in the deployed configuration. 65. The medical device system of claim 63 wherein at least some of the plurality of electrodes are circumferentially arranged about the axis when the structure is in the deployed configuration. 66. The medical device system of claim 63 wherein the intermediate portion of the first elongate member crosses the intermediate portion of the second elongate member at a location on the structure passed through by the axis when the structure is in the deployed configuration. 67. The medical device system of claim 63 wherein each of the portion of the front surface of the first elongate member and the portion of the front surface of the second elongate member is passed through by the axis when the structure is in the deployed configuration. 68. The medical device system of claim 63 wherein the intermediate portion of the first elongate member is adjacent the intermediate portion of the second elongate member when the structure is in the deployed configuration. 69. The medical device system of claim 63 wherein at least one electrode of the plurality of electrodes is passed through by the axis when the structure is in the deployed configuration. 70. The medical device system of claim 69 wherein a particular electrode of the at least one electrode is located adjacently to the first electrode on the portion of the front surface of the first elongate member. 71. The medical device system of claim 63 wherein at least some of the plurality of electrodes are arranged in a plurality of concentric ringed arrangements when the structure is in the deployed configuration, a first one of the plurality of concentric ringed arrangements having a fewer number of the electrodes than a second one of the plurality of concentric ringed arrangements, the first one of the plurality of concentric ringed arrangements comprising the first electrode. 72. The medical device system of claim 63 wherein each of the plurality of elongate members comprises a curved portion having a curvature configured to cause the curved portion to extend along at least a portion of a respective curved path, the curvature configured to cause the curved path to intersect the axis at each of a respective at least two spaced apart locations along the axis when the structure is in the deployed configuration. 73. The medical device system of claim 58 wherein: each intermediate portion further comprises a respective pair of side edges of the front surface, the back surface, or both the front surface and the back surface of the intermediate portion, the side edges of each pair of side edges opposite to one another, each of the side edges of each pair of side edges extending between the proximal end and the distal end of the respective elongate member, andthe first elongate member is positioned such that a first side edge of the pair of side edges of the first elongate member crosses a second side edge of the pair of side edges of the second elongate member when the structure is in the deployed configuration, a portion of the first side edge forming a recessed portion of the first elongate member that exposes at least a portion of a second electrode located on the portion of the front surface of the second elongate member as viewed normally to the portion of the front surface of the second elongate member when the structure is in the deployed configuration. 74. The medical device system of claim 58 wherein each of the plurality of elongate members is arranged to be advanced distal end ahead of proximal end toward the bodily cavity when the structure is in the delivery configuration. 75. The medical system of claim 58 wherein: the structure includes a proximal portion and a distal portion,the structure is arranged to be advanced distal portion ahead of proximal portion toward 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 deployed configuration, the proximal and the distal portions of the structure arranged in a clam shell configuration when the structure is in the deployed configuration. 76. The medical device system of claim 58 comprising a controller and an energy source device system, the controller communicatively connected to the energy source device system, and the energy source device system connected to the plurality of electrodes, wherein the controller is configured to cause, via the energy source device system, each of at least one electrode of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 77. The medical device system of claim 76 wherein the energy is sufficient for tissue ablation. 78. The medical device system of claim 76 wherein the controller is configured to cause each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 79. The medical device system of claim 76 wherein the controller is configured to cause each of the at least one electrode to receive energy when the structure is in the deployed configuration. 80. The medical device system of claim 76 wherein the controller is configured to cause each of the at least one electrode to sense a characteristic of tissue in the bodily cavity when the structure is in the bodily cavity in the deployed configuration. 81. The medical device system of claim 58 comprising a controller communicatively connected to the plurality of electrodes, wherein the controller is configured to cause each of at least one electrode of the plurality of electrodes to ablate tissue in the bodily cavity when the structure is positioned in the bodily cavity in the deployed configuration. 82. A medical device system comprising: a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, the structure comprising a plurality of elongate members, each electrode of the plurality of electrodes individually activatable, and the plurality of electrodes including a plurality of groups of the electrodes, each respective group of the plurality of groups of the electrodes located on a respective one of the elongate members, and each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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, wherein the structure is selectively moveable between:a delivery configuration in which the structure is sized for percutaneous delivery to the bodily cavity, anda deployed configuration in which the structure is sized too large for percutaneous delivery to the bodily cavity, a first elongate member of the plurality of elongate members positioned such that a portion of the front surface of the first elongate member overlaps a portion of the respective front surface of each of at least a second elongate member of the plurality of elongate members as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration,wherein at least a first electrode of the plurality of electrodes is located at least on the portion of the front surface of the first elongate member,wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member at least when the structure is in the deployed configuration, andwherein at least some of the electrodes from the plurality of groups of the electrodes are arranged in a plurality of concentric ringed arrangements when the structure is in the deployed configuration, a first one of the plurality of concentric ringed arrangements having a fewer number of electrodes than a second one of the plurality of concentric ringed arrangements, the first one of the plurality of concentric ringed arrangements comprising the first electrode. 83. The medical device system of claim 82 wherein each of the front surfaces of the plurality of elongate members faces an outward direction of the structure when the structure is in the deployed configuration. 84. The medical device system of claim 82 wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member when the structure is in the delivery configuration. 85. The medical device system of claim 82 wherein the portion of the front surface of the second elongate member contacts the back surface of the first elongate member when the structure is in the deployed configuration. 86. The medical device system of claim 82 wherein each electrode in each group of the plurality of groups of the electrodes is located solely on the front surface of a respective one of the elongate members. 87. The medical device system of claim 82 wherein the intermediate portions of the elongate members are angularly arranged with respect to one another about an axis when the structure is in the deployed configuration. 88. The medical device system of claim 87 wherein at least some of the plurality of electrodes are radially spaced about the axis when the structure is in the deployed configuration. 89. The medical device system of claim 87 wherein at least some of the plurality of electrodes are circumferentially arranged about the axis when the structure is in the deployed configuration. 90. The medical device system of claim 87 wherein the intermediate portion of the first elongate member crosses the intermediate portion of the second elongate member at a location on the structure passed through by the axis when the structure is in the deployed configuration. 91. The medical device system of claim 87 wherein each of the portion of the front surface of the first elongate member and the portion of the front surface of the second elongate member is passed through by the axis when the structure is in the deployed configuration. 92. The medical device system of claim 87 wherein the intermediate portion of the first elongate member is adjacent the intermediate portion of the second elongate member when the structure is in the deployed configuration. 93. The medical device system of claim 87 wherein at least one electrode of the plurality of electrodes is passed through by the axis when the structure is in the deployed configuration. 94. The medical device system of claim 93 wherein a particular electrode of the at least one electrode is located adjacently to the first electrode on the portion of the front surface of the first elongate member. 95. The medical device system of claim 87 wherein each of the plurality of elongate members comprises a curved portion having a curvature configured to cause the curved portion to extend along at least a portion of a respective curved path, the curvature configured to cause the curved path to intersect the axis at each of a respective at least two spaced apart locations along the axis when the structure is in the deployed configuration. 96. The medical device system of claim 82 wherein: each intermediate portion further comprises a respective pair of side edges of the front surface, the back surface, or both the front surface and the back surface of the intermediate portion, the side edges of each pair of side edges opposite to one another, each of the side edges of each pair of side edges extending between the proximal end and the distal end of the respective elongate member, andthe first elongate member is positioned such that a first side edge of the pair of side edges of the first elongate member crosses a second side edge of the pair of side edges of the second elongate member when the structure is in the deployed configuration, a portion of the first side edge forming a recessed portion of the first elongate member that exposes at least a portion of a second electrode located on the portion of the front surface of the second elongate member as viewed normally to the portion of the front surface of the second elongate member when the structure is in the deployed configuration. 97. The medical device system of claim 82 wherein each of the plurality of elongate members is arranged to be advanced distal end ahead of proximal end toward the bodily cavity when the structure is in the delivery configuration. 98. The medical system of claim 82 wherein: the structure includes a proximal portion and a distal portion,the structure is arranged to be advanced distal portion ahead of proximal portion toward 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 deployed configuration, the proximal and the distal portions of the structure arranged in a clam shell configuration when the structure is in the deployed configuration. 99. The medical device system of claim 82 comprising a controller and an energy source device system, the controller communicatively connected to the energy source device system, and the energy source device system connected to the plurality of electrodes, wherein the controller is configured to cause, via the energy source device system, each of at least one electrode of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 100. The medical device system of claim 99 wherein the energy is sufficient for tissue ablation. 101. The medical device system of claim 99 wherein the controller is configured to cause each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 102. The medical device system of claim 99 wherein the controller is configured to cause each of the at least one electrode to receive energy when the structure is in the deployed configuration. 103. The medical device system of claim 99 wherein the controller is configured to cause each of the at least one electrode to sense a characteristic of tissue in the bodily cavity when the structure is in the bodily cavity in the deployed configuration. 104. The medical device system of claim 82 comprising a controller communicatively connected to the plurality of electrodes, wherein the controller is configured to cause each of at least one electrode of the plurality of electrodes to ablate tissue in the bodily cavity when the structure is positioned in the bodily cavity in the deployed configuration. 105. A medical device system comprising: a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, the structure comprising a plurality of elongate members, the plurality of electrodes including a plurality of sets of the electrodes, each respective set of the plurality of sets of the electrodes located on a respective one of the elongate members, and each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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, wherein the structure is selectively moveable between:a delivery configuration in which the structure is sized for percutaneous delivery to the bodily cavity, anda deployed configuration in which the structure is sized too large for percutaneous delivery to the bodily cavity, a first elongate member of the plurality of elongate members positioned such that a portion of the front surface of the first elongate member overlaps a portion of the respective front surface of each of at least a second elongate member of the plurality of elongate members as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration,wherein at least a first electrode of the plurality of electrodes is located at least on the portion of the front surface of the first elongate member,wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member at least when the structure is in the deployed configuration,wherein the intermediate portions of the elongate members are circumferentially arranged with respect to one another about an axis when the structure is in the deployed configuration, andwherein at least one electrode of the plurality of electrodes is passed through by the axis when the structure is in the deployed configuration. 106. The medical device system of claim 105 comprising a controller and an energy source device system, the controller communicatively connected to the energy source device system, and the energy source device system connected to the plurality of electrodes, wherein the controller is configured to cause, via the energy source device system, each of at least some of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 107. The medical device system of claim 106 wherein the energy is sufficient for tissue ablation. 108. The medical device system of claim 106 wherein the controller is configured to cause each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 109. The medical device system of claim 106 wherein the controller is configured to cause each of the at least some of the plurality of electrodes to receive energy when the structure is in the deployed configuration. 110. The medical device system of claim 106 wherein the controller is configured to cause each of the at least some of the plurality of electrodes to sense a characteristic of tissue in the bodily cavity when the structure is in the bodily cavity in the deployed configuration. 111. The medical device system of claim 105 comprising a controller communicatively connected to the plurality of electrodes, wherein the controller is configured to cause each of at least some of the plurality of electrodes to ablate tissue in the bodily cavity when the structure is positioned in the bodily cavity in the deployed configuration. 112. A method comprising: providing a medical device system including a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, the structure comprising a plurality of elongate members, the plurality of electrodes including a plurality of sets of the electrodes, each respective set of the plurality of sets of the electrodes located on a respective one of the elongate members, and each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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;moving the structure from a delivery configuration in which the structure is sized for percutaneous delivery to the bodily cavity to a deployed configuration in which the structure is sized too large for percutaneous delivery to the 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, and a first elongate member of the plurality of elongate members positioned such that a portion of the front surface of the first elongate member overlaps a portion of the respective front surface of each of at least a second elongate member of the plurality of elongate members as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration, wherein at least a first electrode of the plurality of electrodes is located at least on the portion of the front surface of the first elongate member, and wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member at least when the structure is in the deployed configuration; andoperating each of at least one electrode of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 113. The method of claim 112 wherein the energy is sufficient for tissue ablation. 114. The method of claim 112 comprising percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration, and operating each of the at least one electrode to ablate tissue in the bodily cavity when the structure is in the deployed configuration. 115. The method of claim 112 comprising operating each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 116. The method of claim 112 comprising operating each of the at least one electrode to receive energy when the structure is in the deployed configuration. 117. The method of claim 112 comprising: percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration; andoperating each of the at least one electrode to sense a characteristic of tissue in the bodily cavity when the structure is in the deployed configuration. 118. A method comprising: providing a medical device system including a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, each electrode of the plurality of electrodes individually activatable and the structure comprising a plurality of elongate members, each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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, and each intermediate portion further comprising a respective pair of side edges of the front surface, the back surface, or both the front surface and the back surface, the side edges of each pair of side edges opposite to one another, the side edges of each pair of side edges extending between the proximal end and the distal end of the respective elongate member;moving the structure from a delivery configuration in which the structure is sized for percutaneous delivery to a bodily cavity to a deployed configuration in which the structure is sized too large for percutaneous delivery to the bodily cavity, at least a first elongate member of the plurality of elongate members positioned such that a first side edge of the pair of side edges of the first elongate member crosses a first side edge of the pair of side edges of a second elongate member of the plurality of elongate members at a first location and crosses a second side edge of the pair of side edges of the second elongate member at a second location when the structure is in the deployed configuration, each of one or more of the plurality of electrodes wholly located on a portion of the second elongate member, the portion of the second elongate member located between a first transverse line and a second transverse line when the structure is in the deployed configuration, the first transverse line extending across a first width of the second elongate member at the first location, and the second transverse line extending across a second width of the second elongate member at the second location; andoperating each of at least one electrode of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 119. The method of claim 118 wherein the energy is sufficient for tissue ablation. 120. The method of claim 118 comprising percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration, and operating each of the at least one electrode to ablate tissue in the bodily cavity when the structure is in the deployed configuration. 121. The method of claim 118 comprising operating each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 122. The method of claim 118 comprising operating each of the at least one electrode to receive energy when the structure is in the deployed configuration. 123. The method of claim 118 comprising: percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration; andoperating each of the at least one electrode to sense a characteristic of tissue in the bodily cavity when the structure is in the deployed configuration. 124. A method comprising: providing a medical device system including a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, the structure comprising a plurality of elongate members, the plurality of electrodes including a plurality of sets of the electrodes, each respective set of the plurality of sets of the electrodes located on a respective one of the elongate members, and each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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;moving the structure from a delivery configuration in which the structure is sized for percutaneous delivery to the bodily cavity to a deployed configuration in which the structure is sized too large for percutaneous delivery to the bodily cavity, a first elongate member of the plurality of elongate members positioned such that a portion of the front surface of the first elongate member overlaps a portion of the respective front surface of each of at least a second elongate member of the plurality of elongate members and a third elongate member of the plurality of elongate members as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration, wherein at least a first electrode of the plurality of electrodes is located at least on the portion of the front surface of the first elongate member, wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member at least when the structure is in the deployed configuration, and wherein the portion of the front surface of the third elongate member faces the back surface of the second elongate member at least when the structure is in the deployed configuration; andoperating each of at least one electrode of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 125. The method of claim 124 wherein the energy is sufficient for tissue ablation. 126. The method of claim 124 comprising percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration, and operating each of the at least one electrode to ablate tissue in the bodily cavity when the structure is in the deployed configuration. 127. The method of claim 124 comprising operating each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 128. The method of claim 124 comprising operating each of the at least one electrode to receive energy when the structure is in the deployed configuration. 129. The method of claim 124 comprising: percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration; andoperating each of the at least one electrode to sense a characteristic of tissue in the bodily cavity when the structure is in the deployed configuration. 130. A method comprising: providing a medical device system including a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, the structure comprising a plurality of elongate members, each electrode of the plurality of electrodes individually activatable, and the plurality of electrodes including a plurality of groups of the electrodes, each respective group of the plurality of groups of the electrodes located on a respective one of the elongate members, and each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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;moving the structure from a delivery configuration in which the structure is sized for percutaneous delivery to the bodily cavity to a deployed configuration in which the structure is sized too large for percutaneous delivery to the bodily cavity, a first elongate member of the plurality of elongate members positioned such that a portion of the front surface of the first elongate member overlaps a portion of the respective front surface of each of at least a second elongate member of the plurality of elongate members as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration, wherein at least a first electrode of the plurality of electrodes is located at least on the portion of the front surface of the first elongate member, wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member at least when the structure is in the deployed configuration, and wherein at least some of the electrodes from the plurality of groups of the electrodes are arranged in a plurality of concentric ringed arrangements when the structure is in the deployed configuration, a first one of the plurality of concentric ringed arrangements having a fewer number of electrodes than a second one of the plurality of concentric ringed arrangements, the first one of the plurality of concentric ringed arrangements comprising the first electrode; andoperating each of at least one electrode of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 131. The method of claim 130 wherein the energy is sufficient for tissue ablation. 132. The method of claim 130 comprising percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration, and operating each of the at least one electrode to ablate tissue in the bodily cavity when the structure is in the deployed configuration. 133. The method of claim 130 comprising operating each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 134. The method of claim 130 comprising operating each of the at least one electrode to receive energy when the structure is in the deployed configuration. 135. The method of claim 130 comprising: percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration; andoperating each of the at least one electrode to sense a characteristic of tissue in the bodily cavity when the structure is in the deployed configuration. 136. A method comprising: providing a medical device system including a plurality of electrodes positionable in a bodily cavity and a structure on which the electrodes are located, the structure comprising a plurality of elongate members, the plurality of electrodes including a plurality of sets of the electrodes, each respective set of the plurality of sets of the electrodes located on a respective one of the elongate members, and each of the elongate members comprising a proximal end, a distal end, an intermediate portion positioned between the proximal end and the distal end, 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;moving the structure from a delivery configuration in which the structure is sized for percutaneous delivery to the bodily cavity to a deployed configuration in which the structure is sized too large for percutaneous delivery to the bodily cavity, a first elongate member of the plurality of elongate members positioned such that a portion of the front surface of the first elongate member overlaps a portion of the respective front surface of each of at least a second elongate member of the plurality of elongate members as viewed normally to the portion of the front surface of the first elongate member when the structure is in the deployed configuration, wherein at least a first electrode of the plurality of electrodes is located at least on the portion of the front surface of the first elongate member, wherein the portion of the front surface of the second elongate member faces the back surface of the first elongate member at least when the structure is in the deployed configuration, wherein the intermediate portions of the elongate members are circumferentially arranged with respect to one another about an axis when the structure is in the deployed configuration, and wherein at least one electrode of the plurality of electrodes is passed through by the axis when the structure is in the deployed configuration; andoperating each of at least some of the plurality of electrodes to deliver energy when the structure is in the deployed configuration. 137. The method of claim 136 wherein the energy is sufficient for tissue ablation. 138. The method of claim 136 comprising percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration, and operating each of the at least some of the plurality of electrodes to ablate tissue in the bodily cavity when the structure is in the deployed configuration. 139. The method of claim 136 comprising operating each of at least a particular electrode of the plurality of electrodes to sense a characteristic when the structure is in the deployed configuration. 140. The method of claim 136 comprising operating each of the at least some of the plurality of electrodes to receive energy when the structure is in the deployed configuration. 141. The method of claim 136 comprising: percutaneously delivering the structure to the bodily cavity when the structure is in the delivery configuration; andoperating each of the at least some of the plurality of electrodes to sense a characteristic of tissue in the bodily cavity when the structure is in the deployed configuration.
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