Patent ID: 11857411
Assignee: EDWARDS LIFESCIENCES CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 12:
13. An implantable prosthetic valve comprising:
an annular frame comprising an inflow end and an outflow end and being radially collapsible and expandable between a radially collapsed configuration and a radially expanded configuration;
a leaflet structure positioned within the frame and secured thereto; and
an outer skirt positioned around an outer surface of the frame, wherein the outer skirt comprises pericardial tissue with a relatively rough first surface and a relatively smooth second surface, the pericardial tissue having been fixed by cross-linking, wherein an inflow edge portion of the outer skirt is secured to the inflow end of the frame, and wherein an outflow edge portion of the outer skirt comprises a plurality of projections and is secured to a portion of the frame disposed between the inflow end and the outflow end of the frame.