A system for implanting a valve prosthesis comprises a compressible and expandable stent with a collapsible and expandable valve structure mounted within the stent. An insertion catheter is provided for advancing the valve prosthesis through a small inlet opening into a body channel The valve structure...http://www.google.ca/patents/US7789909?utm_source=gb-gplus-sharePatent US7789909 - System for implanting a valve prosthesis
