Patent ID: 7547322
Filing Date: 2009-06-16
Classification: A61F,A61L,Y10S

Abstract:
1. A prosthetic valve for placement within a body passage, said prosthetic valve comprising: at least two semi-elliptical valve leaflets made from a first layer of biological material selected from a group consisting of peritoneal fascia tissue and pleural tissue, each of said at least two valve leaflets having an oppositely disposed pair of lateral sides spaced apart by a free edge, the free edge having a convex shape when the valve leaflets are in a flat configuration; support means attached to said first layer to provide structural support for said at least two valve leaflets, said support means including an expandable stent having inner and outer surfaces and further including a strut member located at each of at least two commissural sides formed by the junctions of adjoining lateral sides of said at least two valve leaflets; and a second layer of biological material attached to said inner surface of said stent, said second layer being selected from a group consisting of peritoneal fascia tissue and pleural tissue, and said second layer including a radially inwardly facing surface that defines a conduit for directing blood flow, said at least two valve leaflets extending across said conduit.