Pneumatic fluid actuated continuous passive motion device

Details Pneumatic fluid actuated continuous passive motion device Pneumatic fluid actuated continuous passive motion device

1993-11-15

1996-06-25

Apley, Richard J.

Surgery: kinesitherapy

Kinesitherapy

Exercising appliance

601 33, A61H 100

Patent

active

055295738

ABSTRACT:
A continuous passive motion device comprises a leg support frame actuated by alternately, pneumatically inflating and deflating a bladder assembly. The assembly includes a series of interconnected bladders associated with a pump and a three-way solenoid valve, and provided with flaps secured at a common point which act as a hinge. The secured flaps force movement of the bladders in an arcuate path during inflation and deflation, providing an operating force against pivotal components of the device thus actuating it. A photointerrupter control device is provided that controls the angular limits of the desired therapy.

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