MULTI-COMPONENT CUFF DESIGNS FOR TRANSCATHETER MITRAL VALVE REPLACEMENT SUBVALVULAR SEALING APPARATUS FOR TRANSCATHETER MITRAL VALVES AND WIRE FRAMED LEAFLET ASSEMBLY
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Jul 2, 2014
filing date -
Jan 4, 2012
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Abstract
This invention relates to improved devices and methods for deploying and sealing a prosthetic cardiac valve, including (i) a mitral valve with a cuff or atrial sealing gasket formed from tissue or fabric-covered wire or laser cut metal originating from one end of an expandable stent, wherein such cuff or gasket is contoured to fill the zone of coaptation between the commissures of the native valve, (ii) an articulating cuff comprised of a series of radially extending tines having a loop terminus to improve sealing a prosthetic mitral valve against hemodynamic leaking, methods of fitting a prosthetic valve with such an articulating cuff wherein such cuff is contoured to fill the zone of coaptation between the commissures of the native valve, and/or (iii) an expandable leaflet assembly comprising tissue or fabric leaflets extending to cover a wire frame of three or more repeating arches.
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