Patent ID: 9675449
Date: 2017-06-13
CPC Classifications: A61F

Claim:
1. A cuff adapted for use in a prosthetic heart valve having a stent body, the cuff comprising an inner wall and an outer wall extending in a distal direction, the outer wall being disposed outward of the inner wall so that the inner and outer walls cooperatively define at least one pocket, the outer wall having an edge facing in the distal direction, the edge of the outer wall being attached to the inner wall at a plurality of first locations but detached from the inner wall at at least one second location disposed between the first locations so that the inner wall and the edge of the outer wall are adapted to cooperatively define at least one opening facing distally for entry of blood into the pocket at the at least one second location, the cuff being sized, shaped and adapted for positioning on the stent body for placement within the native valve annulus to impede perivalvular leakage.