1
James H Orszulak: Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling. Covidien, April 7, 2009: US07513896 (75 worldwide citation)

An electrosurgical generator is disclosed, which includes an RF output stage connected to a DC power supply and first and second connections. The first connection includes a first switching component and a first parallel inductor-capacitor resonant circuit. The second connection includes a second sw ...


2
James H Orszulak: Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling. Covidien, June 19, 2012: US08202271 (4 worldwide citation)

An electrosurgical generator is disclosed. The generator includes an RF output stage configured to generate a sinusoidal waveform for a selected electrosurgical mode. The RF output stage includes first and second connections, the first connection including a first switching component and a first par ...


3
James H Orszulak: Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling. Covidien, May 29, 2012: US08187262 (4 worldwide citation)

An electrosurgical generator is disclosed. The electrosurgical generator includes a power supply for generating a DC voltage. The electrosurgical generator also includes a first parallel inductor-capacitor circuit being driven by a first signal at a first predetermined frequency and a second paralle ...


4

5
James H Orszulak: Dual synchro-resonant electrosurgical apparatus with bi-directional magnetic coupling. United States Surgical, A Division Of Tyco Healthcare Group, July 26, 2007: US20070173810-A1

An electrosurgical generator is disclosed, which includes an RF output stage connected to a DC power supply and first and second connections. The first connection includes a first switching component and a first parallel inductor-capacitor resonant circuit. The second connection includes a second sw ...


6
James H Orszulak: Dual Synchro-Resonant Electrosurgical Apparatus With Bi-Directional Magnetic Coupling. Covidien, Tyco Healthcare Group, September 24, 2009: US20090237169-A1

An electrosurgical generator is disclosed. The electrosurgical generator includes a power supply for generating a DC voltage. The electrosurgical generator also includes a first parallel inductor-capacitor circuit being driven by a first signal at a first predetermined frequency and a second paralle ...


7
James H Orszulak: Dual Synchro-Resonant Electrosurgical Apparatus with Bi-Directional Magnetic Coupling. Sherwood Services, Tyco Healthcare Group, June 18, 2009: US20090157073-A1

An electrosurgical generator is disclosed. The generator includes an RF output stage configured to generate a sinusoidal waveform for a selected electrosurgical mode. The RF output stage includes first and second connections, the first connection including a first switching component and a first par ...


8
ORSZULAK JAMES H: APPAREIL DELECTROCHIRURGIE A DOUBLES CIRCUITS RESONANTS SYNCHRONES AVEC COUPLAGE MAGNETIQUE BIDIRECTIONNEL, DUAL SYNCHRO-RESONANT ELECTROSURGICAL APPARATUS WITH BI-DIRECTIONAL MAGNETIC COUPLING. SHERWOOD SERVICES, SHERWOOD SERVICES, OSLER HOSKIN & HARCOURT, June 16, 2015: CA2574937

An electrosurgical generator is disclosed, which includes an RF output stage connected to a DC power supply and first and second connections. The first connection includes a first switching component and a first parallel inductor-capacitor resonant circuit. The second connection includes a second sw ...