Implantable valve
First Claim
1. An implantable valve for modifying fluid flow in a body passageway, said valve comprising a frame and at least one valve cusp attached to the frame, the at least one valve cusp having a wall of material in a cusp shape with a first, concave exposed surface and a second, convex exposed surface opposite the first exposed surface, and a wall thickness spanning from said first exposed surface to said second exposed surface, wherein said wall of material consists of isolated granulation tissue grown to and retaining shape memory for said cusp shape, and wherein said isolated granulation tissue is free of additional, non-native crosslinking.
2 Assignments
0 Petitions
Accused Products
Abstract
Described are implantable prosthetic valve devices comprising isolated granulation tissue. Also described are methods of treatment that include implanting at least one of these valves within a body passageway of a patient, for example, within a vein to treat venous insufficiency.
55 Citations
27 Claims
- 1. An implantable valve for modifying fluid flow in a body passageway, said valve comprising a frame and at least one valve cusp attached to the frame, the at least one valve cusp having a wall of material in a cusp shape with a first, concave exposed surface and a second, convex exposed surface opposite the first exposed surface, and a wall thickness spanning from said first exposed surface to said second exposed surface, wherein said wall of material consists of isolated granulation tissue grown to and retaining shape memory for said cusp shape, and wherein said isolated granulation tissue is free of additional, non-native crosslinking.
Specification