Feedback systems and methods for renal denervation utilizing balloon catheter
First Claim
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1. A method of determining efficacy of a renal denervation procedure in a renal artery, comprising:
- providing a renal denervation catheter and an inflation balloon;
measuring a first amount of time to fill the inflation balloon within the renal artery;
deflating the inflation balloon;
performing a first renal denervation procedure in the renal artery with the renal denervation catheter;
after performing the renal denervation procedure, measuring a second amount of time to fill the inflation balloon within the renal artery;
comparing the first and second amounts of time to determine efficacy of the first renal denervation procedure.
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Abstract
A renal denervation system includes an ablation catheter and an inflation balloon. The renal denervation catheter is insertable into a renal artery to perform a renal denervation procedure. The inflation balloon is inflatable within the renal artery, wherein one of a blood pressure condition in the renal artery resulting from operation of the inflation balloon and a performance characteristic of the inflation balloon indicates efficacy of the renal denervation procedure.
141 Citations
15 Claims
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1. A method of determining efficacy of a renal denervation procedure in a renal artery, comprising:
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providing a renal denervation catheter and an inflation balloon; measuring a first amount of time to fill the inflation balloon within the renal artery; deflating the inflation balloon; performing a first renal denervation procedure in the renal artery with the renal denervation catheter; after performing the renal denervation procedure, measuring a second amount of time to fill the inflation balloon within the renal artery; comparing the first and second amounts of time to determine efficacy of the first renal denervation procedure. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of determining efficacy of a renal denervation procedure in a renal artery, comprising:
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providing a renal denervation catheter and an inflation balloon; inflating the inflation balloon to block blood flow through the renal artery and measuring a first rate of decay of blood pressure in the renal artery; deflating the inflation balloon; performing a first renal denervation procedure in the renal artery with the renal denervation catheter; after performing the renal denervation procedure, inflating the inflation balloon to block blood flow through the renal artery and measuring a second rate of decay of blood pressure in the renal artery; comparing the first and second rates of decay of blood pressure to determine efficacy of the first renal denervation procedure. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
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Specification