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Prosthetic heart valve including stent structure and tissue leaflets, and related methods

  • US 8,353,954 B2
  • Filed: 12/19/2007
  • Issued: 01/15/2013
  • Est. Priority Date: 12/19/2006
  • Status: Active Grant
First Claim
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1. A prosthetic heart valve comprising:

  • an annular stent having annularly spaced commissure portions, each commissure portion including a tip;

    a first fabric cover over each tip, the first fabric cover not extending to the remainder of the annular stent;

    a second fabric cover that extends over the first fabric cover and the remainder of the annular stent;

    a first tissue membrane covering the first fabric cover and the second fabric cover; and

    a second tissue membrane which surrounds the outside of the first tissue membrane, the first fabric cover and the second fabric cover;

    wherein the second tissue membrane forms leaflet portions that extend inwardly between the commissure portions.

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