System and method for closed loop monitoring of monopolar electrosurgical apparatus
First Claim
1. An electrosurgical generator configured to generate at least one electrosurgical waveform, the electrosurgical generator comprising:
- a sensor configured to sense at least one of a tissue property or an energy property and to generate a sensor signal having an amplitude, the sensor signal being indicative of the at least one tissue property or energy property;
a gain controller configured to reduce the amplitude of the sensor signal and to obtain a signal-to-noise ratio of the sensor signal within a predetermine range; and
a microprocessor coupled to the generator and configured to adjust the at least one electrosurgical waveform as a function of the sensor signal.
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Accused Products
Abstract
An electrosurgical system is disclosed comprising a generator configured to electrosurgical coagulation waveforms. The generator includes a closed loop control system for controlling the electrosurgical coagulation waveforms. The closed loop control system includes a sensor configured to sense a tissue property and/or an energy property and to transmit the tissue property and/or the energy property as one or more sensor signals having an amplitude. The control system also includes a gain controller configured to process the at least one sensor signal to reduce the amplitude of the sensor signals and to obtain a signal to noise ratio of the at sensor signals within a predetermine range. A microprocessor coupled to the generator and is configured to adjust the electrosurgical coagulation waveforms as a function of the sensor signals.
959 Citations
18 Claims
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1. An electrosurgical generator configured to generate at least one electrosurgical waveform, the electrosurgical generator comprising:
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a sensor configured to sense at least one of a tissue property or an energy property and to generate a sensor signal having an amplitude, the sensor signal being indicative of the at least one tissue property or energy property; a gain controller configured to reduce the amplitude of the sensor signal and to obtain a signal-to-noise ratio of the sensor signal within a predetermine range; and a microprocessor coupled to the generator and configured to adjust the at least one electrosurgical waveform as a function of the sensor signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
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generating at least one electrosurgical waveform; sensing at least one energy property of the at least one electrosurgical waveform;
generating a sensor signal having an amplitude, the sensor signal being indicative of the at least one energy property;processing the sensor signal to reduce the amplitude of the sensor signal and to obtain a signal-to-noise ratio of the sensor signal within a predetermine range; and adjusting the at least one electrosurgical waveform as a function of the sensor signal. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification