FOLDABLE PROSTHESES, MULTIPLE COMPONENT PROSTHETIC HEART VALVE ASSEMBLIES, AND APPARATUS AND METHODS FOR DELIVERING THEM
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United States of America Patent
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N/A
Issued Date -
Feb 7, 2008
app pub date -
Apr 30, 2007
filing date -
Apr 29, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Multiple component heart valves and apparatus and methods for implanting them are provided. The heart valve generally includes a first annular prosthesis and a second valve prosthesis. The first prosthesis includes an annular member compressible from a relaxed condition to a contracted condition to facilitate delivery into a biological annulus, the annular member being resiliently expandable towards the relaxed condition. The first prosthesis also includes guide rails extending therefrom. The second prosthesis includes an annular frame, valve elements, and receptacles for receiving respective guide rails therethrough when the second prosthesis is directed towards the first prosthesis. In addition, a valve holder may releasably carry the valve prosthesis that includes channels for receiving respective guide rails therethrough when the guide rails are received through the valve prosthesis. A delivery tool is also provided that includes an actuator for selectively compressing the annular member into the contracted condition.
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