Patent ID: 9480559
Filing Date: 2016-11-01
CPC Classification: A61B,A61F,A61L,C08L

Claim Text:
1. A prosthetic valve for implantation in a native valve annulus between an atrium and a ventricle of a heart comprising: a self-expanding tubular stent having an atrium end and an opposite, ventricle end; a set of valve leaflets disposed in the stent and configured to permit blood flow from the atrium end to the ventricle end of the stent and to inhibit blood flow from the ventricle end to the atrium end; a collar disposed around the stent, having a ventricle end coupled to the ventricle end of the stent and extending axially along, and diverging radially away from, the stent towards an opposite, atrium end, the collar being formed from a web of shape-memory material covered by one of a stabilized tissue and a synthetic material, the prosthetic valve configured to be disposed in the native valve annulus with the collar engaging the native valve annulus between the atrium end and ventricle end of the collar, with the atrium end of the collar disposed on the atrium side of the native annulus.