Patent ID: 9549815
Date: 2017-01-24
CPC Classifications: A61F

Claim:
1. A prosthetic heart valve comprising: a balloon-expandable stent including a plurality of struts and a plurality of commissure posts, each commissure post containing an elongated slot; a plurality of leaflets made from pericardial tissue and including flaps; an intermediate polymer sheet disposed between the stent and the plurality of leaflets; at least one reinforcing polymer core attached to at least one leaflet and the intermediate polymer sheet using stitches that loop around an end of the at least one leaflet; a plurality of patches covering the elongated slots of the commissure posts, the flaps of the leaflets being attached to the patches; and a cuff contacting an exterior of the stent, the cuff and the intermediate polymer sheet sutured to one another so as to cover an axial end of the stent.