Continuous passive motion devices and methods

Details Continuous passive motion devices and methods Continuous passive motion devices and methods

1988-06-13

1989-10-24

Apley, Richard J.

Surgery

Truss

Perineal

272 67, A61H 102

Patent

active

048754692

ABSTRACT:
A system for continuous passive motion of a limb or one or more fingers comprises a reciprocable carriage coupled to a drive belt which is driven by a motor through a disengageable clutch. A second drive belt also driven by the motor, and the first drive belt, carry elements whose positions can be sensed to control limits of motion. Individual finger actuators, adjustable in length and with internal springs, couple engagement means on the fingers to the carriage, which can be driven so as to provide predetermined dwell times at limits of flexion and extension.

REFERENCES:
patent: 3631542 (1972-01-01), Potter
patent: 3756222 (1973-10-01), Ketchum
patent: 3871646 (1975-03-01), Slack
patent: 4538595 (1985-09-01), Hajianpour
patent: 4576148 (1986-03-01), Koerner et al.
patent: 4644938 (1987-02-01), Yates et al.
patent: 4665900 (1987-05-01), Saringer
patent: 4679548 (1987-07-01), Pecheux
patent: 4724827 (1988-02-01), Schenck
"Hand Orthosis Dynamic Bracing Using Gauged Spiral Springs" by Allieu and Rouzaud, 10-1986.

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