05152762 is referenced by 188 patents and cites 7 patents.

A current leakage control circuit regulates the output power of an electrosurgical generator to limit the amount of leakage current. The leakage current is monitored with a differential transformer which has the output and return leads of the electrosurgical generator as first and second windings. A third or sense winding produces a control signal whenever the currents in the output and return leads are not equal, thus indicating current leakage. The control signal is compared to a predetermined maximum safe level of leakage current. If this predetermined level is exceeded, a power control feedback loop of the electrosurgical generator reduces the output power to a sufficiently lower level to reduce the leakage current within a maximum acceptable limit.

Title
Current leakage control for electrosurgical generator
Application Number
7/614275
Publication Number
5152762
Application Date
November 16, 1990
Publication Date
October 6, 1992
Inventor
Jay J McElhenney
Laguna Hills
CA, US
Agent
John R Ley
Assignee
Birtcher Medical Systems
CA, US
IPC
A61B 17/39
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