Surgery – Truss – Perineal
Patent
1989-06-05
1991-06-11
Apley, Richard J.
Surgery
Truss
Perineal
128 80C, A61F 500
Patent
active
050223917
ABSTRACT:
An improved knee orthosis of the type having a femoral shell, having a medial femoral upright and a lateral femoral upright affixed thereto. A tibial shell has a medial tibial upright and a lateral tibial upright affixed thereto, and these two pairs of uprights are hinged together. The improvement of the present invention relates to the hinge construction and to the spiral shape of the tibial shell which aids in the stabilization of the tibia. The hinge utilizes two pins at the base of the femoral upright and two pins near the top of the tibial upright. The anterior tibial pin and the anterior femoral pin are affixed to a first link plate in a pivotal manner. Similarly, the posterior femoral pin and the posterior tibial pin are linked to a second link plate on the opposite side of the hinge.
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Apley Richard J.
Averill, Jr. Edgar W.
Dvorak Linda C. M.
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