Patent ID: 6025044
Filing Date: 2000-02-15
Classification: A61B,A61F,A61L,B29C,B29D,B29K,B29L,B32B,F16L,Y10S,Y10T

Abstract:
A thin-wall tube comprising a tube having a longitudinal axis and a wall thickness of less than about 0.25 mm, said tube being comprised of at least one first layer and at least one second layer of porous expanded polytetrafluoroethylene film wherein the porous expanded polytetrafluoroethylene film has a microstructure having fibrils oriented substantially parallel to each other and wherein the fibrils of the first layer of porous expanded polytetrafluoroethylene film are oriented substantially perpendicular to the fibrils of the second layer of porous expanded polytetrafluoroethylene film.