An apparatus helps improve operation of a heart valve. The apparatus includes an arcuate base portion having a central axis and a buttress extending from the base portion axially relative to the base portion. The buttress has a first surface and an opposite second surface. The first surface is dimensioned...http://www.google.fr/patents/US7160322?utm_source=gb-gplus-shareBrevet US7160322 - Implantable cardiac prosthesis for mitigating prolapse of a heart valve
Implantable cardiac prosthesis for mitigating prolapse of a heart valve
