Hand exerciser

Details Hand exerciser Hand exerciser

1985-01-22

1987-02-24

Apley, Richard J.

Surgery

Truss

Perineal

128 77, 128 25R, A61H 102

Patent

active

046449388

ABSTRACT:
A device for exercising an articulated limb such as a finger includes an elastomeric element for biasing the finger to a flexed position and a motorcontrolled cable is provided to oppose the flexion bias. The elastomeric element, motor, and cable are carried on the arm by a splint. A feed mechanism is provided for regulating the length of cable, which in turn regulates the degree of flexion and extension. The feed mechanism includes a motor having an automatic mode which continuously reverses motor operation when programmed flexion and extension limits are reached. An overtravel is provided to maintain a constant tension on the cable should a sudden extension of the finger prevent proper cable feed or take-up.

REFERENCES:
patent: 696221 (1902-03-01), Anderson
patent: 3347547 (1967-10-01), Hynes
patent: 3756222 (1973-09-01), Ketchum
patent: 3780989 (1973-12-01), Peterson
patent: 4220334 (1980-09-01), Kanamoto et al.
patent: 4368728 (1983-01-01), Pasbrig
patent: 4487199 (1984-12-01), Saringer

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