Surgery – Truss – Perineal
Patent
1981-05-04
1983-02-01
Yasko, John D.
Surgery
Truss
Perineal
128 88, A61F 300
Patent
active
043709770
ABSTRACT:
An improved knee brace (10) is disclosed. The knee brace includes thigh and calf cuffs (12, 14) and identical side members (15, 16) to simplify manufacture and permit use with a range of leg sizes. The hinge members (24) on each of the side members permit the knee joint to be immobilized at a predetermined degree of flexion or movable within a predetermined arc of motion such as 0.degree. to 30.degree. flexion or 30.degree. to 60.degree. flexion. A tensioned cord (70) is provided to urge the knee joint in a given direction. The spring force may be employed to inhibit the quadriceps muscles or permit progressive resistance exercises during rehabilitation. In a first modification, a torsion spring (250) replaces the tension cord (70) and forms the preferred embodiment. In a second modification, a torsion spring is also employed with a thumb screw (218) which permits the knee joint to be immobilized at any desired degree of flexion. In a second embodiment, an elbow brace (300) is provided for supporting and rehabilitation of the elbow joint and adjacent body portions in the arm. A hinge member (310) permits pivotal motion of the elbow brace about an axis corresponding to the axis of the elbow joint. A spring (334) provides a moment about the pivotal axis of the hinge member to inhibit the biceps muscle and provide a variable resistance to motion to rehabilitate the elbow joint and surrounding tissues.
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Jones, III Richard E.
Mauldin Donald M.
Driver Kenneth D.
Stills Melvin L.
Yasko John D.
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