Method of making a stent-graft covered with expanded polytetrafl

Details Method of making a stent-graft covered with expanded polytetrafl Method of making a stent-graft covered with expanded polytetrafl

1996-11-18

1998-08-04

Prebilic, Paul B.

Surgery

Blood vessel or graft preparation

623 1, 623 12, A61F 204

Patent

active

057886261

ABSTRACT:
The expandable stent-graft generally defines a cylindrical lumen made from a stent having a discontinuous wall that is at least substantially covered with an expanded polytetrafluoroethylene material. The expanded polytetrafluoroethylene covering may be a biaxially oriented, expanded polytetrafluoroethylene material having nodules and longitudinal and circumferential fibrils or a uniaxially oriented, expanded polytetrafluoroethylene material. The expandable stent-graft expands and compresses in association with the stent structure as it is contracted and expanded.

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