Wearable apparatus for exercising body joints

Details Wearable apparatus for exercising body joints Wearable apparatus for exercising body joints

1987-12-01

1989-01-31

Apley, Richard J.

Undertaking

272132, 128 25R, 128 80C, A63B 2100, A63B 2122, A61F 300

Patent

active

048011380

ABSTRACT:
A portable appliance (10) which is worn by the user to exercise a body joint includes an articulating frame (12) composed of a pair of laterally, spaced-apart pivot arms (14a, 14b) connectible to a first limb of the body joint and pinned to a second pair of spaced-apart pivot arms (16a, 16b) connectible to the second limb of the body joint. A rotatably actuated, fluid cylinder assembly (22) is mounted on the first pivot arms (14a, 14b) on the extendible side of the body joint. The cylinder assembly (22) includes a piston (24) threadably engaged within an elongated piston rod (26). A transmission system transmits the relative rotational movement between the frame arms (14a, 14b) and the frame arms (16a, 16b) to the piston rod (26) thereby to actuate the piston (24). Adjustable flow control devices control the flow of fluid within the cylinder assembly (22) to apply isotonic, isokinetic or dynamic resistance to the flexing or extending of the body joint being exercised.

REFERENCES:
patent: 3683897 (1972-08-01), Shield et al.
patent: 3976057 (1976-08-01), Barclay
patent: 4520804 (1985-06-01), DiGeorge
patent: 4651719 (1987-03-01), Funk et al.

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