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Sealing structures for paravalvular leak protection
Sealing structures for paravalvular leak protection
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机译:用于瓣膜泄漏保护的密封结构
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摘要
A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent having a proximal end and a distal end, and a valve assembly disposed within the stent, the valve assembly including a plurality of leaflets and a cuff annularly disposed about the stent. The cuff includes a surplus portion capable of forming a sealing structure having a diameter greater than a diameter of the proximal end of the stent when deployed.
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