The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 2020
Filed:
May. 02, 2016
Covidien Lp, Mansfield, MA (US);
University of Tennessee Research Foundation, Knoxville, TN (US);
Daniel A. Friedrichs, Aurora, CO (US);
Mark A. Johnston, Boulder, CO (US);
Daniel J. Costinett, Knoxville, TN (US);
Bradford C. Trento, Knoxville, TN (US);
Chongwen Zhao, Knoxville, TN (US);
Covidien LP, Mansfield, MA (US);
Abstract
An electrosurgical generator includes: a power supply configured to output a DC waveform; an inverter coupled to the power supply, the inverter including a plurality of switching elements; and a controller coupled to the inverter and configured to generate a switching angle waveform including a plurality of switching pulses. The controller is further configured to at least one of select or calculate the plurality of switching pulses to activate the plurality of switching elements to generate a radio frequency waveform based on the DC waveform and to minimize harmonics of the radio frequency waveform.