Medical device for electroshock therapy

Details Medical device for electroshock therapy Medical device for electroshock therapy

1977-10-25

1979-08-28

Kamm, William E.

Surgery

Truss

Pad

A61N 136

Patent

active

041657497

ABSTRACT:
A medical device for electroshock therapy, and more particularly a defibrillator for the treatment of ventricular and auricular fibrillation. Devices of this kind contain a high-voltage generator comprising a transformer with a rectifier connected to its output for charging a shunt capacitor which can be discharged through the patient by means of electrodes connected to it. In order to avoid by simple means the occurrence of dangerous leakage currents and in order to simplify the solving of the problem of high-voltage insulation, the rectifier comprises two branch circuits which are connected to a common transformer winding and which feed the shunt capacitor; furthermore, a high-impedance voltage divider is connected in parallel to the shunt capacitor with its center connected to chassis.

REFERENCES:
patent: 3513850 (1970-05-01), Weber
patent: 3547108 (1970-12-01), Seiffert
patent: 3775658 (1973-11-01), Miles

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