Variable-output radiofrequency ablation power supply
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United States of America Patent
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Oct 15, 2013
Grant Date -
Sep 8, 2011
app pub date -
Mar 3, 2010
filing date -
Mar 3, 2010
priority date (Note) -
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Abstract
A medical system is provided, including an ablation system having at least one ablation element and a sensor, a generator operable to deliver radiofrequency ablation energy to the ablation element. A power supply defines a duty cycle and provides a voltage to the generator, and the power supply has a duty cycle modulator and an amplitude modulator. A processor is connected to the power supply, the generator, and the sensor. The processor obtains a feedback signal from the sensor, and adjusts the duty cycle modulator and the amplitude modulator according to the feedback signal.
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