Electrosurgical apparatus
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United States of America Patent
Stats
-
Jan 5, 1988
Grant Date -
N/A
app pub date -
Jul 3, 1986
filing date -
Jul 15, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrosurgical apparatus includes a radio frequency (RF) power source for supplying an RF signal to an object to be cauterized through a treatment tool and an electrode plate. A dummy load with a certain impedance is coupled in the current path from an active terminal to which the treatment tool is connected to the check terminal connectable to an electrode plate. Before electrosurgical treatment, the dummy load is connected to the active terminal and the check terminal. An actual RF signal flowing through the dummy load is detected and compared with a predetermined RF signal from the RF power source.
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