Surgery – Truss – Perineal
Patent
1986-09-05
1987-10-13
Apley, Richard J.
Surgery
Truss
Perineal
128 77, A61F 501
Patent
active
046991298
ABSTRACT:
A polycentric variable axis pivotal hinge system especially designed and adaptable to follow the complex movement of the knee when incorporated in orthotic devices, having an upper and a lower extension overlying a central linking member and pivotally connected thereto wherein each extension moves in a relative angular motion determined by the coaction of a guide pin follower slidably and pivotally interacting with slots in the angular terminal portions of the extensions and the guide pin follower moving in a vertical slot in the central member; with provision for motion limiting stops.
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Aaserude Gordon V.
Rubin Robert H.
Apley Richard J.
Pacini Harry A.
Prizant James
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