Water impermeable, water vapor permeable orthopedic cast

Details Water impermeable, water vapor permeable orthopedic cast Water impermeable, water vapor permeable orthopedic cast

1990-04-04

1991-05-21

Hafer, Robert A.

Surgery

Truss

Perineal

A61F 504

Patent

active

050166220

ABSTRACT:
An immobilizing orthopedic cast is provided made of an inner liquid water-impermeable, water vapor-permeable protective sleeve next to the skin, a resilient padding layer, and a plaster or resin/glass fiber outer immobilizing layer. A microporous expanded polytetrafluoroethylene membrane protective sleeve material provides the above properties for a cast which will dry itself inside and the skin it covers, is bacteria proof, and is not a host for bacteria.

REFERENCES:
patent: 3785479 (1974-01-01), Smith
patent: 3826252 (1974-07-01), Laico
patent: 3882857 (1975-05-01), Woodall, Jr.
patent: 4194041 (1980-03-01), Gore et al.
patent: 4235228 (1980-11-01), Gaylord, Jr. et al.
patent: 4238522 (1980-12-01), Potts
patent: 4273115 (1981-06-01), Holland et al.
patent: 4387710 (1983-06-01), Beatty, III
patent: 4443511 (1984-04-01), Worden et al.
patent: 4676234 (1987-06-01), Wegner

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