Patent ID: 6540781
Filing Date: 2003-04-01
Classification: A61F

Abstract:
A cryopreserved heart valve homograft comprising:a generally tubular segment of vascular tissue harvested from a mammalian donor, said tubular segment having an inflow end and an outflow end and a plurality of valve leaflets disposed within said tubular segment a spaced distance above the inflow end, the inflow end of said tubular segment being trimmed to form a subvalvular lip; and, a sewing ring formed of tissue harvested from a human donor, and comprising a cryopreservable material that is captured between the subvalvular lip and said sewing ring tissue, and is located to impart a desired shape to said sewing ring, said sewing ring being attached by a cryopreservable attachment component to said subvalvular lip; said tubular segment having said sewing ring attached thereto being cryopreserved.