Tubular intraluminal graft
AssigneeW. L. Gore & Associates, Inc.
InventorsJames D. Lewis, David J. Myers
Life of this patent
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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.
Claims18
An intraluminal graft comprising a tube having an exterior surface, a luminal surface, ends, 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 an edge extending between the ends of the tube and has a microstructure having fibrils oriented in at least two directions which are substantially perpendicular to each other, and wherein said tube has a wall thickness of greater than about 0.08 mm and less than about 0.25 mm.
Dependencies are inferred from the claim text.