Composite material having absorbable and nonabsorbable...

Details Composite material having absorbable and nonabsorbable... Composite material having absorbable and nonabsorbable...

A - Human Necessities

61

L

167/323, 400/480

A61L 27/00 (2006.01) A61L 15/24 (2006.01) A61L 15/64 (2006.01) A61L 27/26 (2006.01) A61L 27/48 (2006.01) A61L 27/58 (2006.01) A61L 31/04 (2006.01) A61L 31/12 (2006.01) A61L 31/14 (2006.01)

Patent

CA 2035652

30,286 TITLE Composite Material Having Absorbable And Nonabsorbable Components ABSTRACT The invention is a composite material of two or more biocompatible polymers, at least one of which is poly-tetrafluoroethylene (PTFE) and one of which is a bioabsorbable polymer. The nonabsorbable PTFE is used in the composite as a reinforcing binder. The reinforcing binder is a network of unsintered, inter- connected micro-fibers which are formed, for example, by blending with a thermoplastic polymer vehicle, such as polymethylmethacrylate which is subsequently ex- tracted. The bioabsorbable component is contained within the structure of the PTFE microfibrils. This composite is useful in the repair of mammalian tissue where tissue ingrowth and permanent support is re- quired.

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