Radially expandable polytetrafluoroethylene

Details Radially expandable polytetrafluoroethylene Radially expandable polytetrafluoroethylene

A - Human Necessities

61

F

A61F 2/06 (2006.01) A61L 31/04 (2006.01) A61L 31/10 (2006.01) B29C 55/24 (2006.01)

Patent

CA 2189662

Extruded, stretched, sintered tubular PTFE materials are produced which are suited for use in the medical field as liners and covers for expandable stents. The PTFE materials have an unusually low REC (Radial Expansion Coefficient) and RER (Radial Expansion Ratio).

On produit des matériaux en PTFE tubulaires extrudés, étirés et frittés utilisables à des fins médicales comme éléments de revêtement et de couverture pour extenseurs expansibles. Lesdits matériaux PTFE présentent un coefficient (REC) et un taux (RER) d'expansion radiale étonnamment faibles.

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