PROSTHETIC MITRAL VALVE

摘要

A prosthetic heart valve (400) having an inflow end and an outflow end includes a stent (450) having a collapsed condition, an expanded condition, and a plurality of cells (454) arranged in circumferential rows. The stent may include one or more securement features. One securement feature may be an anchor arm (470) having a body portion (471) and a free end (474) extending from the body portion, the body portion being coupled to a perimeter of one of the plurality of cells, with the free end extending toward the inflow end in an expanded condition of the anchor arm. Another securement feature may include a flange formed of a braided mesh and having a body portion coupled to the stent and a flared portion adjacent the inflow end of the prosthetic heart valve. A valve assembly (460) is disposed within the stent and has a plurality of leaflets (462).