A prosthetic device including a valve-orifice attachment member attachable to a valve in a blood vessel and including a fluid inlet, and a diverging member that extends from the fluid inlet, the diverging member including a proximal end near the fluid inlet and a distal end distanced from the proximal...http://www.google.fr/patents/US7201772?utm_source=gb-gplus-shareBrevet US7201772 - Fluid flow prosthetic device
