31
Goble Nigel Mark, Goble Colin Charles Owen: An underwater electrosurgical instrument. Gyrus Medical, October 28, 1998: EP0873089-A1 (354 worldwide citation)

An electrosurgical instrument, which is used for the treatment of tissue in the presence of an electrically-conductive fluid medium, comprises an instrument shaft (10), and an electrode assembly (12) at one end of the shaft. The electrode assembly (12) comprises a tissue treatment electrode (14) and ...


32
Amoah Francis, Goble Nigel Mark, Goble Colin Charles Owen: Electrosurgical generator and system. Gyrus Medical, BLATCHFORD William Michael, May 18, 2006: WO/2006/051252 (352 worldwide citation)

In an electrosurgical generator for generating radio frequency power, the generator comprises a radio frequency output stage having three or more output connections, one or more sources of output power coupled to the output stage, and a controller operable to cause the generator to supply a first cu ...


33
Goble Colin Charles Owen: A surgical instrument. Gyrus Medical, April 14, 2004: EP1407719-A2 (351 worldwide citation)

An electrosurgical instrument for use in cutting and/or coagulating tissue includes a dielectric material (30), the dielectric material being positioned in the current pathway between the tissue-treatment regions of first and second electrodes (15,16). The dielectric coating acts to couple the RF si ...


34
Goble Colin Charles Owen: An electrosurgical system. Gyrus Medical, July 30, 2003: EP1330201-A1 (349 worldwide citation)

An electrosurgical system has an electrosurgical generator and a bipolar electrosurgical instrument, the generator being arranged to perform a treatment cycle in which radio frequency energy is delivered to the instrument as an amplitude-modulated radio frequency power signal in the form of a succes ...


35
Goble Colin Charles Owen: Electrosurgical generator and system. Gyrus Medical, March 8, 2006: EP1632191-A2 (348 worldwide citation)

An electrosurgical system includes a generator (10) for generating radio frequency power, and an electrosurgical instrument (12) including at least three electrodes (2, 3,40). The generator includes a radio frequency output stage having at least a pair of RF output lines (48, 49, 50), and a power su ...


36
Goble Nigel Mark, Goble Colin Charles Owen, Syrop Alan Nigel: An electrosurgical instrument. Gyrus Medical, May 3, 2000: EP0996378-A1 (348 worldwide citation)

An electrosurgical instrument is provided for the treatment of tissue in the presence of an electrically-conductive fluid medium. The instrument comprises an instrument shaft (10), a tissue treatment electrode (12) at one end of the shaft, and removal means, the instrument having an apertured portio ...


37
Goble Colin Charles Owen: Electrosurgical hand-held battery-operated instrument. Cyrus Medical, August 19, 1998: EP0858295-A1 (347 worldwide citation)

A cordless electrosurgical instrument has a handpiece (10), and a single treatment electrode (12) projecting from one end of the handpiece (10). Contained within the handpiece (10) are a radio frequency generator, a battery and an electrically conductive shield which surrounds the generator but is i ...


38
Goble Colin Charles Owen, Goble Nigel Mark: An electrosurgical instrument and an electrosurgery system including such an instrument. Gyrus Medical, November 6, 2002: EP1253866-A1 (347 worldwide citation)

In an electrosurgical system which is operable within the frequency range of from 100kHz to 50 MHz and which has a handheld instrument with an elongate instrument shaft, the distal end of the shaft carries a bipolar electrode assembly for use in a conductive fluid field. The electrode assembly has a ...


39
Goble Colin Charles Owen: An electrosurgical generator. Gyrus Medical, October 5, 2005: EP1581128-A1 (347 worldwide citation)

An electrosurgical generator for supplying RF power to an electrosurgical instrument for cutting or vaporising tissue has an RF output stage (42) with an RF power bridge (Q1, Q2, Q3, Q4), a pair of output lines (74) and a series-resonant output network (48). The output impedance of the output stage ...


40
Goble Colin Charles Owen: Electrosurgical generator and system. Gyrus Medical, November 30, 2005: EP1599146-A2 (347 worldwide citation)

An electrosurgical system includes a generator (10) for generating radio frequency power, and an electrosurgical instrument (12) including at least three electrodes (2) (3) and (40). The generator includes a radio frequency output stage having at least a pair of RF output lines (60C), and a power su ...