Microcomputer-based nerve and muscle stimulator

Details Microcomputer-based nerve and muscle stimulator Microcomputer-based nerve and muscle stimulator

1989-01-17

1990-05-22

Jaworski, Francis

Surgery

Truss

Pad

128783, A61N 100

Patent

active

049268651

ABSTRACT:
A transcutaneous nerve stimulation device is provided with mircocomputer-based control of pulse duration, pulse repetition rate, stimulation duty cycle and modulation of pulse parameters. The microcomputer 2 monitors battery 15 voltage and patient manipulated controls 14 that select pulse current amplitude and also provides signals used for display on a liquid crystal display 10 of all relevant stimulation parameters and warning annuciators. The microcomputer 2 is sensitive to input controls for calculation of all stimulation parameters, other than current amplitude, only when a program control switch 18 is active. When the program control switch 18 becomes inactive, the selected control information is stored in non-volatile memory 4, thereby providing electronic isolation of programming controls. The preferred embodiment of the nerve stimulation device may be used either for pain relief or to facilitate muscle contractions, which has a variety of therapeutic applications.

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