Transcutaneous pain control and/or muscle stimulating apparatus

Details Transcutaneous pain control and/or muscle stimulating apparatus Transcutaneous pain control and/or muscle stimulating apparatus

1977-01-28

1979-04-03

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

041471717

ABSTRACT:
An apparatus for generating electrical pulses which are suitable for application to selected areas of the user's body for pain control or muscle stimulation. The current level, pulse width, pulse rate, voltage level and pulse configuration are all controlled to produce the desired effects. The apparatus includes a timing circuit which emits pulses of selected width and repetition rate. The pulses from the timing circuit energize a switching circuit which selectively connects the primary of a pulse transformer to a power source. The transformer is so constructed and arranged that it operates near saturation, thereby effectively operating as a current limiter, which helps to prevent spikes in the electrical pulse output of the apparatus.

REFERENCES:
patent: 2771554 (1956-11-01), Gratzl
patent: 3481341 (1969-12-01), Siedband
patent: 3489152 (1970-01-01), Barbara
patent: 3888261 (1975-06-01), Maurer
patent: 3908669 (1975-09-01), Man et al.
patent: 3911930 (1975-10-01), Hagfors et al.
Fridlund et al., "Behavior Research Methods & Instrumentation", V. 8, No. 1, Feb., 1976, pp. 21-23.

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