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A simple and inexpensive method for measuring electrosurgical variables
R D Tucker1, P S Stasz, E V Kramolowsky
1Department of Pathology, University of Iowa Hospitals and Clinics, Iowa City 52242.
Biomedical Instrumentation & Technology
|January 1, 1989
Abstract:
A simple circuit that demodulates the high-frequency output of an electrosurgical generator to proportional DC values can be employed to monitor generator voltage and electrosurgical current. An example of the use of the circuit in a urologic application is given. Employing this monitoring circuit, quantitative comparisons of electrosurgical equipment and performances can be made.