Shockwave valvuloplasty catheter system
First Claim
Patent Images
1. An intravascular valvuloplasty system for treating a valve having leaflets and an annulus by breaking calcium deposits on the leaflets and annulus of the valve, each leaflet connected to a wall and having a concave region, comprising:
- an elongate body;
a balloon being inflatable with a liquid via an inflation lumen of the elongate body, wherein the inflated balloon has a portion shaped to fit within the concave region of a leaflet and between the leaflet and the wall; and
a shock wave generator having a pair of electrodes located within the balloon that produces a plurality of high voltage pulses across the electrodes to generate electric arcs that create shock waves that propagate through the liquid for impinging upon the valve,the balloon being configured to remain intact as the shock waves are produced by the shock wave generator.
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Abstract
A valvuloplasty system comprises a balloon adapted to be placed adjacent leaflets of a valve. The balloon is inflatable with a liquid. The system further includes a shock wave generator within the balloon that produces shock waves. The shock waves propagate through the liquid and impinge upon the valve to decalcify and open the valve.
165 Citations
10 Claims
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1. An intravascular valvuloplasty system for treating a valve having leaflets and an annulus by breaking calcium deposits on the leaflets and annulus of the valve, each leaflet connected to a wall and having a concave region, comprising:
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an elongate body; a balloon being inflatable with a liquid via an inflation lumen of the elongate body, wherein the inflated balloon has a portion shaped to fit within the concave region of a leaflet and between the leaflet and the wall; and a shock wave generator having a pair of electrodes located within the balloon that produces a plurality of high voltage pulses across the electrodes to generate electric arcs that create shock waves that propagate through the liquid for impinging upon the valve, the balloon being configured to remain intact as the shock waves are produced by the shock wave generator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification