In an electrosurgical system which is operable within the frequency range of from 100kHz to 50MHz 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 an...http://www.google.se/patents/US6758846?utm_source=gb-gplus-sharePatent US6758846 - Electrosurgical instrument and an electrosurgery system including such an instrument
