Tri-frequency electrosurgical instrument
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United States of America Patent
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Apr 7, 2015
Grant Date -
Mar 5, 2009
app pub date -
Aug 30, 2007
filing date -
Aug 30, 2007
priority date (Note) -
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Abstract
An electrosurgical instrument that is capable of generating high-quality RF energy carriers at one of three different frequencies and combining any of the three carriers with any one of four electrosurgical mode waveform modulations and selectively supplying the modulated carriers to either a monopolar or a bipolar handpiece. In a preferred embodiment, the first carrier frequency is in the range of about 3.8-4.0 MHz, the second carrier frequency is in the range of about 1.7-2.0 MHz, and the third carrier frequency is in the range of about 400-600 KHz.
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