Knee brace with articulating brace hinge axis

Details Knee brace with articulating brace hinge axis Knee brace with articulating brace hinge axis

1993-03-25

1995-01-03

Apley, Richard J.

Refrigeration

602 16, A61F 500

Patent

active

RE0348180

ABSTRACT:
An activity knee brace is disclosed in which the hinge axis of the brace articulates to overlie during knee flexure the moving center of pivot of the condylar of the femur with respect to the plateau of the fibula tibia. The brace consists of a thigh portion, a lower leg portion, and a hinge axis therebetween. The thigh portion supports the brace in the thigh. The lower leg portion supports the brace to the lower leg. The hinge axis is designed to overlie the point of pivot of the knee. Articulating of the activity brace hinge axis occurs from the thigh portion. The thigh portion is braced at the upper end of the thigh. The thigh portion is braced at the lower end at the medial supracondylar area by pad and adjustable strap system contacting and locating on the supracondylar hollow on the inside of the upper leg. The pads at the lower thigh portion of the brace are mounted at a pivotal axis. This pivotal axis is offset with respect to the hinge axis at a distance approximately 11/8th inches. During movement of the brace knee between extension and flexion, the pivotal movement of the supracondylar pads causes the hinge axis of the brace to articulate. The disclosed articulation imparted to the hinge axis of the brace tracks in large the moving point of pivot of the knee. Consequently, an activity brace is disclosed having improved reinforcement of the knee at a simple hinge axis.

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patent: 4803975 (1989-02-01), Meyers
patent: 4854308 (1989-08-01), Drillio
patent: 4940045 (1990-07-01), Cromartie

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