1
Steven P Buysse, James H Orszulak, Robert H Wham: Vessel sealing system. Sherwood Services, June 4, 2002: US06398779 (537 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 ...


2
Robert Wham, Steven P Buysse, James H Orszulak: Vessel sealing system. Sherwood SErvices, September 28, 2004: US06796981 (458 worldwide citation)

A method for electrosurgically sealing a tissue includes steps of: (A) applying a first pulse of RF energy to the tissue; and (B) applying at least one subsequent RF energy pulse to the tissue and varying RF energy parameters of individual pulses of subsequent RF energy pulses in accordance with at ...


3
Robert Wham, Steven P Buysse, James H Orszulak: Vessel sealing system. Sherwood Services, December 4, 2007: US07303557 (355 worldwide citation)

A method for electrosurgically sealing a tissue includes steps of: (A) applying a first pulse of RF energy to the tissue; and (B) applying at least one subsequent RF energy pulse to the tissue and keeping constant or varying RF energy parameters of individual pulses in accordance with at least one c ...


4
Christopher U Cates, William D Knopf, Douglass G Whitney: Blood vessel sealing system. B J Powell, May 2, 2000: US06056768 (245 worldwide citation)

A method of and apparatus for sealing access openings into blood vessels using an expandable member in the blood vessel on a control member that extends out through the access opening and an applicator which inserts a preformed sealing material into the access opening over the control member to keep ...


5
Robert H Wham, Steven P Buysse, James H Orszulak: Vessel sealing system. Sherwood Services, April 29, 2008: US07364577 (221 worldwide citation)

A method for electrosurgically sealing a tissue includes steps of: (A) applying a first pulse of RF energy to the tissue; and (B) applying at least one subsequent RF energy pulse to the tissue and keeping constant or varying RF energy parameters of individual pulses of subsequent RF energy pulses in ...


6
Robert H Wham, Steven P Buysse, James H Orszulak: Vessel sealing system. Covidien, October 16, 2012: US08287528 (116 worldwide citation)

A method for electrosurgically sealing a tissue includes steps of: (A) applying a first pulse of RF energy to the tissue; and (B) applying at least one subsequent RF energy pulse to the tissue and keeping constant or varying RF energy parameters of individual pulses of subsequent RF energy pulses in ...


7
Robert H Wham, Steven P Buysse, James H Orszulak: Vessel sealing system. Covidien, November 26, 2013: US08591506 (101 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 ...


8
Wham Robert H, Buysse Steven P, Orszulak James Henry: Vessel sealing system. Sherwood Serv, January 26, 2005: EP1500378-A1 (86 worldwide citation)

A system for electrosurgically sealing a tissue includes means for: (A) applying a first pulse of RF energy to the tissue; and (B) applying at least one subsequent RF energy pulse to the tissue and keeping constant or varying RF energy parameters of individual pulses of subsequent RF energy pulses i ...


9
Christopher U Cates, William D Knopf, Douglass G Whitney: Blood vessel sealing system. CCH Associates, Bernstein & Associates P C, December 19, 2000: US06162240 (84 worldwide citation)

A method of and apparatus for sealing access openings into blood vessels using an expandable member in the blood vessel on a control member that extends out through the access opening and an applicator which inserts a performed sealing material into the access opening over the control member to keep ...


10
Timothy J Bahney: Vessel sealing system using capacitive RF dielectric heating. Covidien, August 24, 2010: US07780662 (57 worldwide citation)

An electrosurgical system for sealing vessels using capacitive (RF) dielectric heating and a method thereof are provided. The system includes an electrosurgical instrument having an end effector with parallel plate electrodes that will clamp onto a vessel and maintain a specified gap distance; howev ...