A prosthetic valve including a body, a first leaflet, and a second leaflet. The first leaflet extends across and is coupled to the body. The first leaflet is cut from a first porcine aortic valve and defines a first inner surface. The second leaflet extends across and is coupled to the body opposite...http://www.google.de/patents/US20050149181?utm_source=gb-gplus-sharePatent US20050149181 - Bileaflet prosthetic valve and method of manufacture
