Surgery – Instruments – Electrical application
Reexamination Certificate
2011-04-19
2011-04-19
Dvorak, Linda C (Department: 3739)
Surgery
Instruments
Electrical application
C606S038000
Reexamination Certificate
active
07927328
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.
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Orszulak James H.
Wham Robert H.
Covidien AG
Dvorak Linda C
Scott Amanda
LandOfFree
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