1
Michael S Klicek: Impedance and temperature generator control. Valleylab, Peter C Richardson, Lawrence C Akers, Aaron Passman, March 5, 1996: US05496312 (1122 worldwide citation)

A control responds to impedance and temperature between active and return electrodes of the electrosurgical generator during tissue desiccation. Tissue contacts separately and independently provide high frequency power to effect tissue electrosurgically. An instantaneous impedance monitor between ea ...


2
Louis Delahuerga, Robert B Stoddard, Michael S Klicek: Enhanced electrosurgical apparatus. Valleylab, Peter C Richardson, Lawrence C Akers, Mark Dryer, June 8, 1993: US05217457 (709 worldwide citation)

A device for enhancing the safety and efficiency of a hand-operated electrosurgical pencil having an exposed electrode with a distal end defining a tip for cutting biological tissue, which device comprises a nose piece adapted to be mounted about said electrode and defining at least one pathway for ...


3
David A Zieve, Michael S Klicek: Electrosurgical and ultrasonic surgical system. Valleylab, Peter C Richardson, Lawrence C Akers, Mark Dryer, March 2, 1993: US05190517 (646 worldwide citation)

An electrical circuit system which provides electrical energy to a surgical apparatus having ultrasonic fragmentation, aspiration and electrosurgical coagulation capabilities, which system also includes an impedance sensing network and automatic feedback power output control to reduce RF power outpu ...


4
Michael S Klicek: Electrosurgical bipolar treating apparatus. Valleylab, Peter C Richardson, Lawrence C Akers, Mark Dryer, January 25, 1994: US05281216 (622 worldwide citation)

An electrosurgical bipolar treating apparatus comprising a handpiece to which is connected a first active electrode and a second return electrode having exposed distal ends which define a bipolar tip for electrosurgically treating tissue at an operational site on a patient, which tip is structured s ...


5
Louis Delahuerga, Robert B Stoddard, Michael S Klicek: Electrosurgical apparatus. Valleylab, Peter C Richardson, Lawrence C Akers, Mark Dryer, September 14, 1993: US05244462 (586 worldwide citation)

Electrosurgical apparatus for performing at least cutting and coagulation of biological tissue, which comprises a hand operated electrosurgical pencil comprising an electrically insulated housing and an electrode with a distal end defining a tip, means for supplying high-frequency, alternating curre ...


6
Michael S Klicek, William G Patterson: Electrosurgical processor and method of use. Valleylab, Peter C Richardson, Lawrence C Akers, Aaron Passman, December 6, 1994: US05370645 (487 worldwide citation)

A circuit, for monitoring and controlling parameters of an electrosurgical unit, ESU, relative to load and the RF energy, has a load responsive output sensing circuit that measures the ESU load. A signal modifier, attached to the sensing circuit enhances the signals measured and transmits them to a ...


7
Michael S Klicek: Moveable switchable electrosurgical handpiece. Valleylab, Peter C Richardson, Lawrence C Akers, Aaron Passman, December 5, 1995: US05472442 (464 worldwide citation)

An active electrode switches from a monopolar mode extending from a handpiece and a patient return to a bipolar mode with the active and return electrodes extending. An active lead selectively connects the active output and the active electrode. A return lead selectively connects the return electrod ...


8
Michael S Klicek: Automatic control for energy from an electrosurgical generator. Sherwood Services, April 3, 2001: US06210403 (423 worldwide citation)

An electrosurgical generator control responds to tissue impedance between active and return electrodes during desiccation. Active and return generator leads to supply energy and a user control sets the level of energy desired for electrosurgery. Voltage and current sensing circuits respond to high f ...


9
Louis Delahuerga, Robert B Stoddard, Michael S Klicek: Gas coagulation device. Valleylab, Peter C Richardson, Lawrence C Akers, Mark Dryer, February 18, 1992: US05088997 (401 worldwide citation)

A device for enhancing the safety and efficiency of a hand-operated electrosurgical pencil having an electrode with a distal end defining a tip for cutting or coagulating biological tissue, which device comprises a nose piece adapted to be mounted about said electrode and containing conduit means de ...


10
Michael S Klicek, William G Paterson: Apparatus for leakage control and method for its use. Valleylab, Peter C Richardson, Lawrence C Akers, Aaron Passman, December 13, 1994: US05372596 (382 worldwide citation)

Apparatus and method find leakage due to tissue load or transients and has active and return electrodes for RF energy sensed by transformers for a circuit that finds leakage at more than two thousand times per second or a frequency dependent on the phase shift between voltage and current. Software a ...