Prosthetic valves with mechanically coupled leaflets
AssigneeEdwards Lifesciences Corporation
InventorsDustin V. Dienno, Cody L. Hartman, Ryan S. Titone, David J. Arcaro, Roy Manygoats, Jr.
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Abstract
Described embodiments are directed toward centrally-opening leaflet prosthetic valve devices having a leaflet frame and a mechanically coupled leaflet. The described leaflet frames have projections that are configured to couple with a leaflet attachment region of a leaflet. Some embodiments include a leaflet retention feature that engages the leaflet frame projections and operates to secure the leaflet to the leaflet frame. Methods of making and using such prosthetic valve devices are also described.
Claims14
A prosthetic valve defining an inflow direction into the prosthetic valve and an outflow direction out of the prosthetic valve in operation, the prosthetic valve comprising:
- a plurality of leaflets including a first leaflet, a second leaflet, and a third leaflet, each leaflet having a leaflet attachment region, a free edge opposite a base edge, and a fold line that has an outline that is substantially that of an isosceles trapezoid when viewed as a flat profile, wherein the base edge of each leaflet is shorter than and parallel to the free edge, and wherein the leaflet attachment region of each leaflet comprises a plurality of apertures.
A prosthetic valve defining an inflow direction into the prosthetic valve and an outflow direction out of the prosthetic valve in operation, the prosthetic valve comprising:
- a plurality of leaflets including a first leaflet, a second leaflet, and a third leaflet, each leaflet having a leaflet attachment region and a free edge opposite a base edge, wherein the base edge and the free edge of each leaflet are at least substantially parallel when viewed as a flat profile, wherein the base edge of each leaflet is shorter than the free edge, wherein each leaflet comprises a commissure tab adjacent the free edge, and wherein each commissure tab comprises a plurality of apertures and is divergent in the outflow direction.
A prosthetic valve defining an inflow direction into the prosthetic valve and an outflow direction out of the prosthetic valve in operation, the prosthetic valve comprising:
- a frame;
- and
- a plurality of leaflets including a first leaflet, a second leaflet, and a third leaflet, each leaflet having a leaflet attachment region and a free edge opposite a base edge, wherein the base edge and the free edge of each leaflet are at least substantially parallel when viewed as a flat profile, wherein the base edge of each leaflet is shorter than the free edge, wherein the leaflet attachment region is coupled to the frame, wherein each leaflet comprises a commissure tab adjacent the free edge, wherein each commissure tab comprises a plurality of apertures, and wherein each of the commissure tabs is divergent in the outflow direction.
Dependencies are inferred from the claim text.