A heart valve prosthesis is provided having a self-expanding multi-level frame that supports a valve body comprising a skirt and plurality of coapting leaflets. The frame transitions between a contracted delivery configuration that enables percutaneous transluminal delivery, and an expanded deployed...http://www.google.fr/patents/US7914569?utm_source=gb-gplus-shareBrevet US7914569 - Heart valve prosthesis and methods of manufacture and use
Heart valve prosthesis and methods of manufacture and use
