Surgery – Truss – Perineal
Patent
1989-11-08
1990-12-18
Hafer, Robert A.
Surgery
Truss
Perineal
128 87R, A61F 500
Patent
active
049778919
ABSTRACT:
An ankle brace having two relatively rigid side supports with inflatable bladders attached to them. The side supports are connected at their bottom by a flexible strap upon which is mounted an air pump. The air pump is activated by walking and running and inflates the air bladders mounted on the side supports. The side supports are held firmly in place about the lower leg and ankle by straps. A relief valve and/or pin holes in the bladders prevent excessive pressure in the bladders and provide reduced support when the user is not active.
REFERENCES:
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patent: 2560591 (1951-07-01), Oltrogge
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patent: 3331146 (1967-07-01), Karras
patent: 4280489 (1981-07-01), Johnson, Jr.
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patent: 4628945 (1986-12-01), Johnson, Jr.
patent: 4805601 (1989-02-01), Eischen, Sr.
patent: 4844094 (1989-07-01), Grim
patent: 4865023 (1989-09-01), Craythorne et al.
Hafer Robert A.
Owens Kerry
Royce Medical Company
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