1
Steven P Buysse, Bret S Felton, David N Heard, David Keppel, Ronald J Podhajsky, Dale F Schmaltz, Robert H Wham, Edward C Meagher, Kate R Lawes, David A Schechter, Chelsea Shields, Philip M Tetzlaff: Method and system for controlling output of RF medical generator. Sherwood Services, November 21, 2006: US07137980 (480 worldwide citation)

A closed-loop control system has a user interface for allowing a user to select at least one pre-surgical parameter. The system also has a sensor module for continually sensing at least one of electrical and physical properties proximate a surgical site and generating at least one signal and a contr ...


2
Steven P Buysse, Bret S Felton, David N Heard, David Keppel, Ronald J Podhajsky, Dale F Shmaltz, Robert H Wham, Edward C Meagher, Kate R Lawes, David A Schechter, Chelsea Shields, Philip M Tetzlaff, Jeremy S James: Method and system for controlling output of RF medical generator. Covidien, January 31, 2012: US08105323 (136 worldwide citation)

An electrosurgical generator is disclosed. The generator includes a microprocessor configured to generate a target impedance trajectory having at least one slope. The target impedance trajectory includes a plurality of target impedance values. The microprocessor is configured to drive tissue impedan ...


3
David N Heard: Electrosurgical tissue sealer and cutter. TYCO Healthcare Group, October 2, 2012: US08277446 (106 worldwide citation)

A surgical instrument comprises an end effector including a pair of jaw members configured to move with respect to one another between an open configuration and a closed configuration for clamping tissue. At least one jaw member includes an elongate cam slot extending in a longitudinal direction ove ...


4
Joe D Sartor, Robert Behnke, Steven P Buysse, Chris J Ehr, David N Heard, Mark J Huseman, Ronald J Podhajsky, Arlan J Reschke, Dale F Schmaltz: Electrosurgical pencil with advanced ES controls. Covidien, February 1, 2011: US07879033 (80 worldwide citation)

An electrosurgical system is provided that includes an electrosurgical generator; and an electrosurgical pencil selectively connectable to the electrosurgical generator. The electrosurgical pencil includes an elongated housing; at least one electrocautery end effector removably supportable within th ...


5
Steven P Buysse, Gary Dobbins, Brandon Gay, David N Heard, James W McPherson: Electrosurgical system employing multiple electrodes and method thereof. Covidien, June 30, 2009: US07553309 (54 worldwide citation)

A system and method for heat ablation of tissue in which energy is sequentially applied to at least two electrodes inserted into tissue. The system is comprised of a radiofrequency (RF) source for supplying RF energy, at least two electrodes configured to apply RF energy to tissue, at least one retu ...


6
Steven P Buysse, Gary Dobbins, Brandon Gay, David N Heard, James W McPherson: Electrosurgical system employing multiple electrodes. Covidien, March 19, 2013: US08398626 (30 worldwide citation)

A system for heat ablation of tissue, the system comprising a radiofrequency source configured to supply RF energy to at least two electrodes for treating tissue, at least one return electrode configured to return the RF energy to the radiofrequency source, a controller configured to sequentially ap ...


7
Kyle R Rick, David N Heard, Steven P Buysse: Cool-tip combined electrode introducer. Covidien, August 17, 2010: US07776035 (25 worldwide citation)

The present disclosure relates to systems, devices and methods for positioning and placing multiple electrodes in a target surgical site. An introducer is provided for facilitating the insertion of a cluster of electrodes into the body of a patient for performing tissue ablation. The introducer incl ...


8
Steven P Buysse, Gary Dobbins, Brandon Gay, David N Heard, James W McPherson: Electrosurgical system employing multiple electrodes and method thereof. Covidien, April 20, 2010: US07699842 (24 worldwide citation)

A system and method for heat ablation of tissue in which energy is sequentially applied to at least two electrodes inserted into tissue. The system is comprised of a radiofrequency (RF) source for supplying RF energy, at least two electrodes configured to apply RF energy to tissue, at least one retu ...


9
Steven P Buysse, Gary Dobbins, Brandon Gay, David N Heard, James W McPherson: Electrosurgical system employing multiple electrodes. Covidien, November 22, 2011: US08062290 (20 worldwide citation)

A system for heat ablation of tissue in which energy is sequentially applied to at least two electrodes inserted into tissue, the system comprising a radiofrequency source configured to supply radiofrequency energy to two or more electrodes, at least one return electrode for returning the RF energy ...


10
Kyle R Rick, David N Heard, Steven P Buysse: Cool-tip combined electrode introducer. Covidien, February 19, 2013: US08377057 (20 worldwide citation)

The present disclosure relates to systems, devices and methods for positioning and placing multiple electrodes in a target surgical site. An introducer is provided for facilitating the insertion of a cluster of electrodes into the body of a patient for performing tissue ablation. The introducer incl ...