Wearable apparatus for exercising body joints
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 31, 1989
Grant Date -
N/A
app pub date -
Dec 1, 1987
filing date -
Dec 1, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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