Patent ID: 7686844
Filing Date: 2010-03-30
Classification: A61F

Abstract:
1. A prosthetic valve for implantation in a body vessel, comprising: a first frame member having a proximal end and a first external surface; a second frame member having a first end and a second external surface and defining a sinus portion comprising a portion having an enlarged resting outer diameter as compared to the resting outer diameter of the remainder of the second frame member, the second frame member disposed radially outward of the first frame member such that the proximal end of the first frame member and the first end of the second frame member lie in substantially the same plane; and a graft member forming a valve and comprising a first portion disposed between the first and second frame members, a second portion disposed substantially circumferentially about the first end of the second frame member, and a third portion disposed within the first and second frame members and forming an opening that permits fluid flow through said body vessel in a first direction and substantially prevents fluid flow through said body vessel in a second, opposite direction; wherein the second portion of the graft member extends along the second external surface from the first end of the second frame member to a point axially beyond the opening defined by the third portion; wherein the graft member has inner and outer sides, the inner side having a first portion disposed adjacent the first external surface and a second portion disposed adjacent the second external surface; and wherein pressure from fluid disposed between the first and second portions of the inner side of the graft member forces at least a portion of the outer side of the graft member against a portion of a wall of said body vessel; wherein a portion of the valve is disposed within the sinus portion.