Catheter balloon methods and apparatus employing sensing elements
First Claim
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1. An apparatus for medical diagnosis and/or treatment, the apparatus comprising:
- a flexible substrate forming an inflatable body;
a coupling bus disposed along a latitude of and offset from the equator of the inflatable body;
a plurality of sensing elements disposed along at least one latitude of the inflatable body offset from the coupling bus, each sensing element comprising a pair of electrodes;
a plurality of stretchable interconnects, each stretchable interconnect electrically connecting a separate electrode of a separate sensing element of the plurality of sensing elements to the coupling bus; and
an intermediate bus disposed longitudinally about the inflatable body, the intermediate bus electrically connecting the coupling bus to a flexible printed circuit board.
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Abstract
An apparatus for medical diagnosis and/or treatment is provides. The apparatus includes a flexible substrate forming an inflatable body and a plurality of sensing elements disposed on the flexible substrate. The plurality of sensing elements are disposed about the inflatable body such that the sensing elements are disposed at areas of minimal curvature of the inflatable body in a deflated state.
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Citations
45 Claims
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1. An apparatus for medical diagnosis and/or treatment, the apparatus comprising:
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a flexible substrate forming an inflatable body; a coupling bus disposed along a latitude of and offset from the equator of the inflatable body; a plurality of sensing elements disposed along at least one latitude of the inflatable body offset from the coupling bus, each sensing element comprising a pair of electrodes; a plurality of stretchable interconnects, each stretchable interconnect electrically connecting a separate electrode of a separate sensing element of the plurality of sensing elements to the coupling bus; and an intermediate bus disposed longitudinally about the inflatable body, the intermediate bus electrically connecting the coupling bus to a flexible printed circuit board. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method of performing a medical diagnosis and/or treatment on a tissue, the method comprising:
disposing in proximity to the tissue an apparatus comprising; a flexible substrate forming an inflatable body; a coupling bus disposed along a latitude of and offset from the equator of the inflatable body; a plurality of sensing elements disposed along at least one latitude of the inflatable body offset from the coupling bus, each sensing element comprising a pair of electrodes; a plurality of stretchable interconnects, each stretchable interconnect electrically connecting a separate electrode of a separate sensing element of the plurality of sensing elements to the coupling bus; and an intermediate bus disposed longitudinally about the inflatable body, the intermediate bus electrically connecting the coupling bus to a flexible printed circuit board; and recording a measurement of at least one sensing element of the plurality of sensing elements, wherein the measurement provides an indication of a state of a portion of the tissue. - View Dependent Claims (24, 25)
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26. An apparatus for medical diagnosis and/or treatment, the apparatus comprising:
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a shaft; a flexible substrate forming an inflatable body disposed at a distal end of the shaft, a longitudinal axis of the inflatable body being aligned with the shaft; a coupling bus disposed along a latitude of the inflatable body; sensing elements disposed on the flexible substrate and electrically connected to the coupling bus, at least one of the sensing elements being arranged on the flexible substrate in a first one of two annular rings, and all remaining of the sensing elements on the flexible substrate being arranged in a second one of the two annular rings; and an intermediate bus disposed longitudinally about the inflatable body, the intermediate bus electrically connecting the coupling bus to a flexible printed circuit board, wherein at least one of the sensing elements located within the first one or the second one of the two annular rings is positioned on the flexible substrate to interface with an ostium of a lumen within which the apparatus is inserted, with the inflatable body in an inflated state. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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Specification