Self assistance traction device

Details Self assistance traction device Self assistance traction device

1987-07-13

1988-09-06

Pearson, Charles

Surgery

Truss

Perineal

128 71, A61F 500

Patent

active

047684984

ABSTRACT:
A device to relieve traction from a patient, the traction imposed by a weight connected to a harness on the patient through a flexible element strung over a pulley wheel, the device including a reversible motor which turns a pulley wheel mounted on a shaft through a one-way clutch, the motor being freely mounted on the shaft and raising the weight when it turns in one direction to produce slack in the flexible element, and lowering the weight to impose traction force on the patient when it turns in the reverse direction.

REFERENCES:
patent: 4365623 (1982-12-01), Wilhelm et al.
patent: 4489713 (1984-12-01), Latenser
patent: 4593532 (1986-04-01), Jones
patent: 4691637 (1987-02-01), Rose

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