Apparatus for generating applied electrical stimuli signals

Details Apparatus for generating applied electrical stimuli signals Apparatus for generating applied electrical stimuli signals

1975-06-05

1977-12-13

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

040623653

ABSTRACT:
An electrically operable stimulator and method for the control of pain or for other purposes through muscle and/or nerve stimulation by application of electrical pulses to the body of an animal, such as a human being. The stimulator generally comprises an internal power supply which may be rechargeable and which operates in conjunction with a pulse generator and an output amplifier. The pulse generator includes a unijunction transistor multivibrator and which is uniquely designed to achieve low current drain. Pulse interval and pulse width and pulse amplitude are controlled through separate and non-interacting controls. The output amplifier provides an output which is an excellent impedance match to the animal body for controlled stimulation. The output amplifier is uniquely designed to draw current only in proporton to the amount required, so that the entire apparatus is highly efficient.

REFERENCES:
patent: 3255753 (1966-06-01), Wing
patent: 3718132 (1973-02-01), Holt et al.
patent: 3897789 (1975-08-01), Blanchard
patent: 3908669 (1975-09-01), Man et al.
patent: 3911930 (1975-10-01), Hagfors et al.

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