Apparatus for assisting muscular contraction

Details Apparatus for assisting muscular contraction Apparatus for assisting muscular contraction

1986-02-18

1988-11-22

Jaworski, Francis J.

Surgery

Truss

Pad

128733, A61N 100, H05G 100

Patent

active

047858133

ABSTRACT:
A system for assisting contraction of a partially paralyzed muscle. The system uses a pair of electrode terminals which sense voluntary EMG signals at the site of the muscle and periodically transmit appropriately corresponding higher level stimulation signals. Stimulation signals are generated by a pulsed stimulator operating under control of an amplifier arrangement connected to receive the EMG signals from the electrode terminals. A transistor switch interrupts the amplifier output in synchronism with the generation of stimulation signals. A pair of back-to-back diodes are positioned between the electrode terminals for limiting the signals which are applied to the amplifier.

REFERENCES:
patent: 4431000 (1984-02-01), Butler
patent: 4582049 (1986-04-01), Ylvisakev

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