Patent ID: 6299638
Filing Date: 2001-10-09
Classification: A61F

Abstract:
An implantable prosthetic heart valve comprising:a valve body comprising an orifice member;a stiffening member coupled to the orifice member, said stiffening member having upstream and downstream edges;a fabric collar;a first collar retaining ring coupling the fabric collar to the orifice member, said first collar retaining ring being downstream of said downstream edge of said stiffening member;a tubular vascular graft having a proximal graft end; anda graft retaining ring coupling the tubular vascular graft to the orifice member, said graft retaining ring being downstream of said downstream edge of said stiffening member and upstream from said first collar retaining ring, wherein the graft retaining ring is coupled to said proximal graft end and is coupled to the orifice member by mechanical engagement between said first collar retaining ring and the downstream edge of the stiffening member.