Fault circuit for stimulator

Details Fault circuit for stimulator Fault circuit for stimulator

1976-04-27

1978-05-09

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

040881415

ABSTRACT:
An improved control circuit which may be incorporated into a medical transcutaneous nerve or muscle stimulator for disabling the output from the stimulator to stimulation electrodes connected thereto upon the occurrence of an undesirable output event of the kind which may result in an electrical shock or burn to user of the stimulator. This disablement by the control circuit may be triggered when electrode impedance exceeds a threshold level, or when the current level of the output undergoes excessive change, or when the power source to the unit is interrupted. Included may be visual signaling functions.

REFERENCES:
patent: 3513353 (1970-05-01), Lansch
patent: 3523539 (1970-08-01), Lavezzo et al.
patent: 3612060 (1971-10-01), Colyer
patent: 3860009 (1975-01-01), Bell et al.

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