Patent ID: 9393110
Filing Date: 2016-07-19
CPC Classification: A61F

Claim Text:
1. An assembly for implanting a prosthetic heart valve in a patient's body comprising: a delivery apparatus comprising an elongated shaft; and a radially expandable prosthetic heart valve adapted to be mounted on the shaft in a radially collapsed configuration for delivery into the body, the prosthetic heart valve comprising an annular frame having an inflow end portion defining an inflow end of the frame that is configured to receive antegrade blood flow into the prosthetic heart valve when implanted, and the annular frame also having an outflow end portion defining an outflow end of the frame opposite the inflow end of the frame, the prosthetic heart valve also comprising a leaflet structure positioned within the frame, an inner fabric skirt positioned along an inner surface of the frame, and an outer fabric skirt extending from the inflow end of the frame along an outer surface of the frame to a frame attachment location; wherein the frame is adapted to shorten axially during radial expansion of the prosthetic valve, thereby increasing axial slack in the outer fabric skirt; and wherein the outer fabric skirt comprises an edge defining a plurality of alternating projections and notches that is attached to the frame at the frame attachment location.