Stent-valve and deployment catheter for use therewith
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United States of America Patent
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Issued Date -
Dec 6, 2007
app pub date -
Jan 20, 2006
filing date -
Jan 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A stent-valve device includes a non-collapsible valve component and a stent component having a first ring connected to a second ring. The first ring has a characteristic first diameter and a valve support for supporting the valve component. The second ring is contractible and expandable between a second diameter less than a third diameter. The second diameter is less than the first diameter and the third diameter is greater than the first diameter. The first ring preferably includes a plurality of elements that extend downward to feet that project radially inward. The valve component rests on the feet for support. A seal is preferably disposed about the first ring. The valve component may be mechanical valve prosthesis, a bio-prosthesis (such as a non-collapsible porcine valve) or a polymer-based prosthesis. In another aspect of the invention, a deployment catheter is provided for effectively deploying the stent-valve device(s) described herein.
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