Monitoring arrangement for a high frequency surgery device

Details Monitoring arrangement for a high frequency surgery device Monitoring arrangement for a high frequency surgery device

1986-05-07

1988-05-03

Cohen, Lee S.

Surgery

Truss

Pad

128908, A61B 1739

Patent

active

047413344

ABSTRACT:
A monitoring arrangement is disclosed for a high frequency surgery device, having a control electrode applied on a patient's body, which detects the high frequency voltage existing on the body surface during the treatment and introduces the same to a monitor circuit. The monitor circuit includes a voltage comparator which compares the body surface voltage with a reference voltage U.sub.ref and upon exceeding the reference voltage U.sub.ref, closes a relay which switches off the high frequency surgery device. The reference voltage U.sub.ref is determined individually for each patient beforehand and corresponds to the maximum tolerable body surface voltage of the particular patient.

REFERENCES:
patent: 4122854 (1978-10-01), Blackett
patent: 4200105 (1980-04-01), Gonser

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