A prosthetic graft device for insertion through a body wall of an organ such as the heart includes a tubular graft and an annular, resilient element at a proximal end of the graft. The resilient element has an undeformed diameter greater than a principal diameter of the graft. Near the resilient element,...http://www.google.de/patents/US20020082467?utm_source=gb-gplus-sharePatent US20020082467 - Prosthetic graft device with ventricular apex attachment apparatus
