Surgery: splint – brace – or bandage – Orthopedic bandage – Splint or brace
Patent
1994-04-05
1995-12-05
Dvorak, Linda C. M.
Surgery: splint, brace, or bandage
Orthopedic bandage
Splint or brace
602 16, 602 20, 602 23, 602 27, 428111, 428112, A61F 500
Patent
active
054724120
ABSTRACT:
An articulated knee brace includes a pair of arms pivotally connected by corresponding pivot pins and gear segments supported by a set of hub plates having holes for receiving adjustable stop pins. The arms are attached by flexible and releasable bands to a person's limb on opposite sides of a joint, and one of the arms carries an adjustable hydraulic control unit. The unit includes a tubular housing enclosing a pair of axially spaced pistons rigidly connected by a shaft, and a curved link member connects the pistons to the hub plates eccentrically of the pivot axes. A set of manually rotatable valves are supported by the housing between the pistons and variably control the flow of hydraulic fluid through the valves and between the piston chambers in response to pivoting of the arms for selectively and independently adjusting the resistance to flexion and extension of the brace and limb.
REFERENCES:
patent: 2859451 (1958-11-01), Mauch
patent: 3316558 (1967-05-01), Mortensen
patent: 3799159 (1974-03-01), Scott
patent: 3976057 (1976-08-01), Barclay
patent: 4801138 (1989-01-01), Airy et al.
patent: 5052379 (1991-10-01), Airy et al.
patent: 5103811 (1992-04-01), Crupi, Jr.
Dvorak Linda C. M.
Lee Kim M.
Mauch Laboratories, Inc.
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