05472412 is referenced by 113 patents and cites 7 patents.

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.

Title
Limb brace with adjustable hydraulic resistance unit
Application Number
8/222878
Publication Number
5472412
Application Date
April 5, 1994
Publication Date
December 5, 1995
Inventor
Donald E Knoth
Dayton
OH, US
Agent
Jacox Meckstroth & Jenkins
Assignee
Mauch Laboratories
OH, US
IPC
A61F 5/00
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