Catheter device including flow sensing
First Claim
Patent Images
1. A device, comprising:
- a catheter;
an inflatable and/or expandable body coupled to the catheter;
an electronic circuit disposed on the inflatable and/or expandable body, the electronic circuit comprising a plurality of components that accommodate expanding of the inflatable and/or expandable body, the plurality of components comprising;
a plurality of electrodes, at least one electrode of the plurality of electrodes being a radiofrequency electrode configured to deliver a radiofrequency energy to a tissue proximate to the radiofrequency electrode; and
a plurality of stretchable interconnects disposed on the inflatable and/or expandable body, wherein the plurality of stretchable interconnects electrically couples at least one of the plurality of electrodes to an external circuit;
at least one flow sensor coupled to the catheter;
at least one component coupled to the catheter and configured to perform an ablation procedure on a portion of a tissue proximate to the catheter; and
an assessment module coupled to the at least one flow sensor and configured to receive data indicative of at least one flow measurement from the at least one flow sensor and provide an indication of the efficacy of the ablation procedure based on the data indicative of at least one flow measurement.
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Accused Products
Abstract
Devices and methods are provided for performing an ablation procedure on tissue with flow monitoring using flow sensors. The devices include a catheter, and at least one flow sensor disposed on the catheter, and a component for applying the ablation procedure. An assessment module provides an indication of the efficacy of the ablation procedure based on the flow measurement from the flow sensor.
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Citations
42 Claims
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1. A device, comprising:
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a catheter; an inflatable and/or expandable body coupled to the catheter; an electronic circuit disposed on the inflatable and/or expandable body, the electronic circuit comprising a plurality of components that accommodate expanding of the inflatable and/or expandable body, the plurality of components comprising; a plurality of electrodes, at least one electrode of the plurality of electrodes being a radiofrequency electrode configured to deliver a radiofrequency energy to a tissue proximate to the radiofrequency electrode; and a plurality of stretchable interconnects disposed on the inflatable and/or expandable body, wherein the plurality of stretchable interconnects electrically couples at least one of the plurality of electrodes to an external circuit; at least one flow sensor coupled to the catheter; at least one component coupled to the catheter and configured to perform an ablation procedure on a portion of a tissue proximate to the catheter; and an assessment module coupled to the at least one flow sensor and configured to receive data indicative of at least one flow measurement from the at least one flow sensor and provide an indication of the efficacy of the ablation procedure based on the data indicative of at least one flow measurement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of performing a medical diagnosis and/or treatment on a tissue, the method comprising:
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disposing in proximity to the tissue an apparatus comprising; a catheter; an inflatable and/or expandable body coupled to the catheter; an electronic circuit disposed on the inflatable and/or expandable body, the electronic circuit comprising a plurality of components that accommodate expanding of the inflatable and/or expandable body, the plurality of components comprising; a plurality of electrodes, at least one electrode of the plurality of electrodes is a radiofrequency electrode configured to deliver a radiofrequency energy to a tissue proximate to the radiofrequency electrode; and a plurality of stretchable interconnects disposed on the inflatable and/or expandable body, wherein the plurality of stretchable interconnects electrically couples at least one of the plurality of electrodes to an external circuit; at least one flow sensor disposed on a portion of the catheter, each of the at least one flow sensor comprising; a heating element; and a temperature sensor disposed proximate to the heating element, wherein a flow measurement of the at least one flow sensor provides an indication of a flow rate of a fluid proximate to the portion of the catheter; at least one component coupled to the catheter and configured to perform an ablation procedure on a portion of a tissue proximate to the catheter; and an assessment module coupled to the at least one flow sensor and configured to receive data indicative of at least one flow measurement from the at least one flow sensor and provide an indication of the efficacy of the ablation procedure based on the data indicative of at least one flow measurement; applying the ablation procedure to the surface of the tissue proximate to the catheter; and recording the at least one flow measurement of the at least one flow sensor. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A catheter device for performing a procedure on tissue of a renal artery, comprising:
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an inflatable and/or expandable body disposed near a distal end of the catheter device; an electronic circuit disposed on the inflatable and/or expandable body, the electronic circuit comprising a plurality of components that accommodate expanding of the inflatable and/or expandable body, the plurality of components comprising; a plurality of electrodes, at least one electrode of the plurality of electrodes is a radiofrequency electrode configured to deliver a radiofrequency energy to a surface proximate to the radiofrequency electrode to perform an ablation procedure on a portion of the tissue of the renal artery; and a plurality of stretchable interconnects disposed on the surface of the inflatable and/or expandable body, wherein the plurality of stretchable interconnects electrically couples at least one of the plurality of electrodes to an external circuit; and at least one flow sensor disposed on the inflatable and/or expandable body, each of the at least one flow sensor comprising; a heating element configured to heat an area proximate to the inflatable and/or expandable body; and a temperature sensor disposed proximate to the heating element, wherein measurement of the temperature sensor provides an indication of a flow rate of blood in the renal artery proximate to the inflatable and/or expandable body. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification