1
William J Rittman III, Eric R Cosman: Cool-tip radiofrequency thermosurgery electrode system for tumor ablation. Sherwood Services, June 10, 2003: US06575969 (741 worldwide citation)

This patent application is a continuation-in-part of the patent application of the present authors related to target volume ablation in the body using a cooled-tip tissue-heating probe such as a fluid cooled (perfusion cooled) high frequency electrode. The present application relates in part to exam ...


2
Ali Baily: Method of fusing biomaterials with radiofrequency energy. Sherwood Services, January 9, 2007: US07160299 (600 worldwide citation)

A method of fusing biomaterial and tissue using radiofrequency energy includes the steps of: providing a vessel sealing instrument having opposing jaw members which are movable relative to one another to compress tissue therebetween. The vessel sealing instrument includes at least one stop member af ...


3
Sean Dycus, Chelsea Shields, Gary M Couture, Jeremey Scott James, Kristin D Johnson, Lap P Nguyen, Philip Tetzlaff, Michael R Warzecha, Michael Moses, David A Schechter: Vessel sealer and divider. Sherwood Services, August 15, 2006: US07090673 (575 worldwide citation)

An electrosurgical instrument for performing at least one of sealing and dividing tissue includes a housing having a shaft attached thereto, the shaft defining a longitudinal axis. The electrosurgical instrument also includes a first jaw member movable relative to a second jaw member, the first jaw ...


4
Randel Alven Frazier, Michael John Lands, Wade Lukianow: Endoscopic bipolar electrosurgical forceps. Sherwood Services, January 27, 2004: US06682528 (552 worldwide citation)

A endoscopic bipolar forceps for clamping and sealing tissue includes first and second jaw members pivotally attached in opposing relation relative to one another which are movable from a first open position wherein the jaw members are disposed in spaced relation relative to one another to a second ...


5
Menno E Sluijter, William J Rittman III, Eric R Cosman: Modulated high frequency tissue modification. Sherwood Services, June 12, 2001: US06246912 (546 worldwide citation)

A method and apparatus are provided for altering a function of tissue in a patient. An electromagnetic signal generated by a signal generator is applied to the tissue to be altered through an electrode. The electromagnetic signal has at least one frequency component above the physiologic stimulation ...


6
Dale Francis Schmaltz, Robert Luzzi, David Nichols Heard, Steven Paul Buysee, Kate Ryland Lawes, Daniel Lee Trimberger II, Mathew Erle Mitchell, Jenifer Serafin Kennedy: Bipolar electrosurgical instrument with replaceable electrodes. Sherwood Services, April 18, 2000: US06050996 (536 worldwide citation)

A bipolar electrosurgical instrument for vessel sealing comprises first and second members connected by a pivot. A pair of jaws have opposable seal surfaces that are designed to grasp vascular tissue and conduct bipolar electrosurgical current therethrough. Electrodes on the jaws, including the seal ...


7
Steven P Buysse, James H Orszulak, Robert H Wham: Vessel sealing system. Sherwood Services, June 4, 2002: US06398779 (530 worldwide citation)

A method for electrosurgically sealing a tissue includes steps of: (A) applying an initial pulse of RF energy to the tissue, the pulse having characteristics selected so as not to appreciably heat the tissue; (B) measuring a value of an impedance of the tissue in response to the applied pulse; (C) i ...


8
William J Rittman III, Eric R Cosman: Cool-tip electrode thermosurgery system. Sherwood Services, January 14, 2003: US06506189 (483 worldwide citation)

For heat ablating living tissue of a body, an ablation electrode, contacting a surface of the tissue or within tissue, is coupled to an RF power supply referenced to a second electrode contacting the body. Fluid coolant is circulated to cool the contact surface extending the ablation to an increased ...


9
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 (471 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 ...


10
Steven Paul Buysse, Dale Francis Schmaltz, Robert Luzzi, Kirk Bryan Olson, Kate Ryland Lawes, Daniel Lee Trimberger II, Mathew Erle Mitchell, Jenifer Serafin Kennedy: Bipolar electrosurgical instrument for sealing vessels. Sherwood Services, February 13, 2001: US06187003 (464 worldwide citation)

A bipolar electrosurgical instrument has opposable seal surfaces on its jaws for grasping and sealing vessels and vascular tissue. Inner and outer instrument members allow arcuate motion of the seal surfaces. An open lockbox provides a pivot with lateral support to maintain alignment of the lateral ...