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US 7,678,144 B2Granted
Prosthetic valve with slanted leaflet design
AssigneeCook Incorporated
InventorsFrances Kristen Bailey, Brian C. Case, Ram H. Paul, Jr.
Life of this patent
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AssigneeCook Incorporated
InventorsFrances Kristen Bailey, Brian C. Case, Ram H. Paul, Jr.
Estimating the term…
The invention relates to a prosthetic valve for regulating fluid flow through a body lumen. The valve includes a frame and a valve member comprising at least one semi-rigid leaflet and at least one flexible leaflet. The at least one semi-rigid leaflet comprises a first portion and a second portion, the first portion attached to the frame and the second portion free of the frame. The at least one semi-rigid leaflet is slanted in a retrograde direction from the second portion to the first portion. The at least one flexible leaflet comprises a first portion and a second portion, the first portion attached to the frame and the second portion free of the frame. The at least one flexible leaflet is slanted in a retrograde direction from the first portion to the second portion when at rest.
A valve prosthesis for implantation within a body lumen comprising a frame and at least one valve member comprising at least one semi-rigid leaflet and at least one flexible leaflet;
The prosthesis of clam 8, where the at least one semi-rigid leaflet is slanted at an angle about equal to the slant angle of the least one flexible leaflet.
A valve prosthesis for implantation within a body lumen comprising a radially-expandable frame and at least one valve member comprising a semi-rigid leaflet and a flexible leaflet;
Dependencies are inferred from the claim text.