Percutaneous transcatheter heart valve replacement
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United States of America Patent
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Feb 13, 2007
Grant Date -
Oct 21, 2004
app pub date -
Apr 18, 2003
filing date -
Apr 18, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides improved devices and methods for replacing or repairing a malfunctioning heart valve. In particular, improved minimally invasive methods and devices are provided for percutaneous transcatheter implantation of expansible prosthetic heart valves within or adjacent a valved anatomic site within the heart. In one embodiment, an expansible prosthetic heart valve comprises an implantable structure, a flexible membrane, and a membrane support. The implantable structure is expansible from a first reduced diameter to a second enlarged diameter and has a flow path therethrough. The flexible membrane is positionable in the flow path for permitting flow in a first direction and substantially resisting flow in a second direction. The membrane support is positionable in the flow path and affixed to the implantable structure.
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