Electrical muscle stimulator for knee stabilization

Details Electrical muscle stimulator for knee stabilization Electrical muscle stimulator for knee stabilization

1987-06-11

1989-01-10

Cohen, Lee S.

Surgery

Truss

Pad

128423W, 128 80C, 128 80G, A61N 132

Patent

active

047966319

ABSTRACT:
The present invention involves an electrical muscle stimulator for knee stabilization in a leg having inadequate neurological and muscular control to obtain normalization of locomotion and includes a power source, muscle stimulation electrodes, a control unit with manual on/off and with two control on/off switches. One of these switches is responsive to a heel ground contact determining means and the other to a knee angle determining means. Stimulation can only be effected when both the knees are in contact with some weight pressure and the knee angle measuring means shows the knees bent to or beyond a preset angle. As soon as one of these two conditions are not met, stimulation ceases.

REFERENCES:
patent: 3083712 (1963-04-01), Keegan
patent: 4005296 (1977-01-01), Olson
patent: 4711242 (1987-08-01), Petrofsky
"Computer Synthesized Walking" Petrofsky et al.; J. of Neurol. & Ortho. Med. & Surg., 10/85, pp. 214-230.

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