Prosthetic heart valve with atrial drain
AssigneeSt. Jude Medical, Cardiology Division, Inc.
InventorsAlec King, Grayston Licht
Life of this patent
Estimating the term…
Abstract
A prosthetic heart valve includes an outer frame, an outer sealing skirt, an inner frame, an inner sealing skirt, a plurality of prosthetic leaflets mounted within the inner frame, and a plurality of connecting arms connecting the inner frame to the outer frame so that the inner frame is positioned radially inward of the outer frame. A bridging skirt extends from the outer sealing skirt to an inflow edge of the inner sealing skirt. The bridging skirt covers a gap between the inner frame and the outer frame. The inner sealing skirt may include at least one trench that interrupts an otherwise circular shape of the inflow edge of the inner sealing skirt, the trench extending in an outflow direction of the prosthetic heart valve.
Claims20
A prosthetic heart valve for replacing a native heart valve, the prosthetic heart valve comprising:
- a collapsible and expandable outer frame configured to be positioned within an annulus of the native heart valve, an outer sealing skirt being positioned on a luminal or abluminal surface of the outer frame;
- a collapsible and expandable inner frame;
- an inner sealing skirt positioned on a luminal or abluminal surface of the inner frame;
- a plurality of prosthetic leaflets coupled to the inner sealing skirt or the inner frame, and positioned within the inner frame;
- a plurality of connecting arms connecting the inner frame to the outer frame so that the inner frame is positioned radially inward of the outer frame;
- and
- a bridging skirt extending from the outer sealing skirt to an inflow edge of the inner sealing skirt, the bridging skirt covering a gap between the inner frame and the outer frame, wherein the inner sealing skirt includes at least one trench that interrupts an otherwise circular shape of the inflow edge of the inner sealing skirt, the trench being sloped to empty residual fluid toward an outflow direction of the prosthetic heart valve.
Dependencies are inferred from the claim text.