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

Claim 17:
18. 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;
an outer skirt positioned around an outer surface of the frame, wherein the outer skirt comprises pericardial tissue having a fibrous parietal layer and a serous parietal layer, the pericardial tissue having been fixed by cross-linking; and
an inner skirt positioned around an inner surface of the frame and secured thereto, wherein the inner skirt varies in height around a circumference of the inner skirt with a maximum height arranged in line with commissures of the leaflet structure and a minimum height arranged at a location equidistant between two commissures of the leaflet structure.