A mitral valve annulus reshaping device includes at least a portion that is formed of a biocompatible shape memory alloy SMA having a characteristic temperature, Af, that is preferably below body temperature. The device is constrained in an unstable martensite (UM) state while being introduced through...http://www.google.es/patents/US7314485?utm_source=gb-gplus-sharePatente US7314485 - Mitral valve device using conditioned shape memory alloy
Mitral valve device using conditioned shape memory alloy
