U.S. Patent 7927328 was awarded to Covidien AG on 2011-04-19 and describes a “System and method for closed loop monitoring of monopolar electrosurgical apparatus.” This patent has been cited 244 times by other U.S. patents which places it in the top 500 cited patents since 2010 according to our law firm research, and makes it of the most innovative medical technology patents in the field of instruments. The abstract states:

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. Link: U.S. Patent 7927328

This patent was originally filed on 2007-01-24 which gives it a processing time of 1546 days, compared to an average processing time of 1818 in the field. Covidien AG has 395 total patents. The first named inventor is James H. Orszulak of Nederland, CO. The primary examiner was Linda C Dvorak.

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