Anatomically correct continuous passive motion device for a limb

Details Anatomically correct continuous passive motion device for a limb Anatomically correct continuous passive motion device for a limb

1991-12-06

1993-08-31

Apley, Richard J.

Surgery

Truss

Perineal

128 25B, A61F 500

Patent

active

052399877

ABSTRACT:
A bilateral anatomically correct continuous passive motion orthosis device for a limb having pivotally connected first and second body portions. The device includes a base having a proximal end and a distal end. A first carriage member receives the first body portion and is pivotally connected to a second carriage member which receives the second body portion. The second carriage member is also pivotably connected to the base. A drive mechanism moves the first carriage member between the distal and proximal ends of the base. A speed control device controls the velocity of the first carriage member between the distal and proximal ends of the base such that the first carriage member pivots about a first support pivot axis with respect to the second carriage member at a predetermined angular velocity. A biasing mechanism is provided to assist the drive mechanism in lifting the limb. The second carriage member is pivotally connected to the base such that its virtual pivot axis is spaced from the base to permit bilateral use of the device.

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