Paravalvular leak detection, sealing, and prevention

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Including valve

Reexamination Certificate

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Reexamination Certificate

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10883575

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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