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System and method for measuring current of an electrosurgical generator
专利权人:
发明人:
申请号:
EP12150263.7
公开号:
EP2474282A3
申请日:
2012.01.05
申请国别(地区):
EP
年份:
2012
代理人:
摘要:
An electrosurgical generator includes an RF output stage (28), a DC blocking capacitor (29), a measuring circuit (30), and a sensor circuit (21). The RF output stage (28) generates electrosurgical energy for application to an active electrode. The DC blocking capacitor (29) is electrically coupled between the RF output stage (28) and the active electrode. The measuring circuit (30) is coupled to the DC blocking capacitor (29) and measures the voltage across the DC blocking capacitor (29). The sensor circuit (21) determines the current of the electrosurgical energy as a function of the voltage across the DC blocking capacitor (29).
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