Patent ID: 6197050
Filing Date: 2001-03-06
Classification: A61F

Abstract:
A transmyocardial implant for establishing a blood flow path through a myocardium between a heart chamber and a lumen of a coronary vessel residing at an exterior of said myocardium, said implant comprising:a hollow conduit having a first portion and a second portion;said first portion sized to be received within said lumen, said first portion having an axial dimension aligned with an axis of said vessel;said second portion sized to extend from said vessel through said myocardium into said chamber;said conduit having open first and second ends on axial ends of respective ones of said first and second portions to define a blood flow pathway within an interior of said conduit between said first and second ends;said first portion formed of rigid, bio-compatible material at said open first end and sized for an interior surface of said vessel to surround said first portion at said first end;a collar dimensioned so as to surround an exterior of the vessel overlying the first portion at the first open end, said collar formed of a material more flexible than said first portion;said collar dimensioned so as to urge an interior surface of said vessel against an exterior surface of said first portion at said first open end, the collar overlying the first open end and including an extension that surrounds said vessel and extends axially beyond the first open end in a direction distal to the first open end.