Paravalvular leak detection, sealing and prevention
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United States of America Patent
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Dec 8, 2009
Grant Date -
Dec 20, 2007
app pub date -
Aug 29, 2007
filing date -
Jun 30, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a series of new percutaneous concepts of paravalvular repairs including identifying the leak location, several repair techniques and finally built-in means for leak prevention, built on percutaneous valves. A catheter-delivered device locates cavities occurring between a prosthetic valve and the wall of the body vessel where the valve is implanted, the cavities producing paravalvular leaks during diastole, the device comprising at least one of a plurality of flexible wires, the wire having attached to it a balloon, wherein the balloon is pulled by the leak through the cavity and wherein the wire then serves to mark the cavity location.
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