1
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 (583 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 ...


2
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 ...


3
Troy J Chapman, Chelsea Shields, David A Schechter: Electrosurgical instrument which reduces thermal damage to adjacent tissue. Sherwood Services, December 12, 2006: US07147638 (291 worldwide citation)

An electrode sealing assembly for use in combination with an electrosurgical instrument includes first and second jaw members which are movable from a first, spaced-apart position to a second position to grasp tissue. Each of the jaw members includes an insulative housing, a thermally conductive, el ...


4
Chelsea Shields, Edward C Meagher: Tissue sealer with non-conductive variable stop members and method of sealing tissue. Covidien, February 17, 2009: US07491201 (236 worldwide citation)

A bipolar forceps for sealing tissue includes an elongated shaft having opposing jaw members at a distal end thereof, each of the jaw members including an electrically conductive sealing surface. The jaw members are movable relative to one another from a first position wherein the jaw members are di ...


5
Robert H Wham, Chelsea Shields, Philip M Tetzlaff, Jeremy S James: Method and system for controlling output of RF medical generator. Covidien, March 8, 2011: US07901400 (216 worldwide citation)

A system and method are provided for controlling an electrosurgical generator generating electrosurgical energy which is delivered to a patient for performing an electrosurgical procedure for sealing tissue. The system includes a control module executable on a processor for receiving sensed data cor ...


6
David Hixson, James D Allen IV, Jeremy S James, Jessica Olson, Paul R Romero, Chelsea Shields, Jeff Unger: Vessel sealer and divider for large tissue structures. TYCO Healthcare Group, August 3, 2010: US07766910 (178 worldwide citation)

An endoscopic bipolar forceps includes a housing having a shaft affixed thereto, the shaft including jaw members at a distal end thereof. The shaft includes a longitudinal axis defined therethrough and the jaw members are adapted to connect to a source of electrosurgical energy such that the jaw mem ...


7
Chelsea Shields, Edward C Meagher: Electrically conductive/insulative over-shoe for tissue fusion. Covidien, October 28, 2008: US07442193 (166 worldwide citation)

An over shoe for use with electrosurgical instruments having a pair of juxtaposed jaw members pivotably associated with one another, at least one of which includes an electrically conductive surface disposed thereon which is in electrical engagement with an electrosurgical energy source. According t ...


8
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 ...


9
Robert H Wham, Rebecca Coulson, Kari Leidich, David A Schechter, Chelsea Shields, Thomas A Sturm, Craig Weinberg: System and method for tissue sealing. Covidien, July 5, 2011: US07972328 (54 worldwide citation)

An electrosurgical system is disclosed. The electrosurgical system includes an electrosurgical generator adapted to supply electrosurgical energy to tissue. The electrosurgical generator includes impedance sensing circuitry which measures impedance of tissue, a microprocessor configured to determine ...


10
Troy J Chapman, Chelsea Shields, David A Schechter: Electrosurgical instrument which reduces thermal damage to adjacent tissue. Covidien, July 13, 2010: US07753909 (52 worldwide citation)

An electrode sealing assembly for use in combination with an electrosurgical instrument includes first and second jaw members which are movable from a first, spaced-apart position to a second position to grasp tissue. Each of the jaw members includes an insulative housing, a thermally conductive, el ...