High-performance electrotherapeutic apparatus

Details High-performance electrotherapeutic apparatus High-performance electrotherapeutic apparatus

1975-01-08

1976-04-27

Michell, Robert W.

Surgery

Truss

Pad

A61N 140

Patent

active

039527514

ABSTRACT:
Improved electrotherapeutic apparatus comprises
A. an electromagnetic energy radiating head including primary and secondary coils and a capacitor electrically connected across the secondary coil,
B. and an input circuit including a source of high frequency oscillations, a power amplifier and a control circuit for creating and transmitting to the head a sequence of pulses of high frequency electrical energy and for controlling the amplitude of the pulses and the intervals therebetween, the pulses having substantially rectangular shape and having a repetition rate and duration characterized in that they define a duty factor of between 0.35 and 0.55, where

REFERENCES:
patent: 3299892 (1967-01-01), Kendall et al.
patent: 3513851 (1970-05-01), Smith et al.
patent: 3566877 (1971-03-01), Smith et al.
patent: 3800802 (1974-04-01), Berry et al.

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