System for monitoring integrity of a patient return circuit

Details System for monitoring integrity of a patient return circuit System for monitoring integrity of a patient return circuit

1977-03-14

1978-10-24

Cohen, Lee S.

Surgery

Truss

Pad

307326, 323 9, 328 7, A61N 300

Patent

active

041215907

ABSTRACT:
A monitor for a patient return circuit of a radiofrequency electrosurgical device in which an interrogation or measurement circuit is powered by a photovoltaic cell. Characteristics of the photovoltaic cell can limit the interrogation or measurement current to a value considered to be safe to a patient.

REFERENCES:
patent: 3601126 (1971-08-01), Estes
patent: 3683923 (1972-08-01), Anderson
patent: 3933157 (1976-01-01), Bjurwill et al.
patent: 3958175 (1976-05-01), Braun
patent: 3986495 (1976-10-01), Miller

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