Hydrophilic high density PTFE medical barrier

Details Hydrophilic high density PTFE medical barrier Hydrophilic high density PTFE medical barrier

2007-11-20

2007-11-20

O'Connor, Cary E. (Department: 3732)

Dentistry

Method or material for testing, treating, restoring, or...

C606S08600R, C623S023760

Reexamination Certificate

active

10947066

ABSTRACT:
A medical barrier includes a sheet of unsintered substantially unexpanded hydrophilic polytetraflouroethylene (PTFE) polymer material having a density in a range of about 1.2 gm/cc to about 2.3 gm/cc, and preferably in the range of about 1.45 gm/cc to about 1.55 gm/cc, and having at least one textured surface. In accordance with one embodiment, the sheet has one textured surface and one substantially smooth surface, and has substantially uniform strength in all directions.

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