Gyrus Medical Limited

Colin Co Goble

Nigel Mark Goble

Alan N Syrop

An electrosurgical instrument, which is used for the treatment of tissue in the presence of an electrically-conductive fluid medium, comprises an instrument shaft ( ), and an electrode assembly ( ) at one end of the shaft. The electrode assembly ( ) comprises a tissue treatment electrode ( ) and a return electrode ( ) which is electrically insulated from the tissue treatment electrode by means of an insulation member ( ). The tissue treatment electrode ( ) is exposed at the distal end portion of the instrument ( ), and the return electrode ( ) has a fluid contact surface spaced proximally from the exposed end of the tissue treatment electrode by the insulation member ( ). The exposed end of the tissue treatment electrode ( ) is constituted by a plurality of tissue treatment filamentary members made of an electrically-conductive material, the filamentary members being electrically connected to a common electrical supply conductor.

Electrosurgical instrument

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 ( ), a tissue treatment electrode ( ) at one end of the shaft, and removal means, the instrument having an apertured portion ( ) through which matter can be aspirated by the removal means from the region surrounding the tissue treatment electrode. The removal means comprises a channel formed within the instrument shaft ( ) and leading from the apertured portion ( ). The channel is provided with agitation means ( ) for preventing the build-up of sublimation products within the channel.

Growing community of inventors

South Glamorgan, United Kingdom

Colin Co Goble