Expandable heart valves for minimally invasive valve replacement surgeries are disclosed. The valves are rolled into a first, contracted configuration for minimally invasive delivery and then unrolled or unfurled at the implantation site. One- and two-piece stents may be used in conjunction with a plurality...http://www.google.fr/patents/US20070255398?utm_source=gb-gplus-shareBrevet US20070255398 - TWO-PART EXPANDABLE HEART VALVE
Numéro de demande: 11/749,722 Numéro de publication: US 2007/0255398 A1 Date de dépôt: 16 mai 2007 Brevet délivré: US7947072 ( Date de délivrance 24 mai 2011)
