Back to results
US 5,993,489 AGranted
Tubular intraluminal graft and stent combination
AssigneeW. L. Gore & Associates, Inc.
InventorsJames D. Lewis, David J. Myers
Life of this patent
Estimating the term…
Abstract
A tubular intraluminal graft for repairing body conduits, made from at least one layer of porous expanded PTFE film that has a microstructure having fibrils oriented in at least two directions which are substantially perpendicular to each other. The tubular intraluminal graft has a wall thickness of less than about 0.25 mm and may have a longitudinally or helically oriented seamline. Additional reinforcing components such as reinforcing ribs or braids may also be provided.
Claims2
An intraluminal graft comprising:
- a) a tube having an exterior surface, a luminal surface, and a longitudinal axis, said tube being comprised of at least one layer of porous expanded polytetrafluoroethylene film wherein the porous expanded polytetrafluoroethylene film has edges and has a microstructure having fibrils oriented in at least two directions which are substantially perpendicular to each other, wherein said tube has a wall thickness of less than about 0.25 mm;
- and
- b) a metallic expandable stent;
- whereby the tube may be secured within a body conduit by the metallic expandable stent.
1 more element
Dependencies are inferred from the claim text.