A bipolar high-frequency treatment tool for an endoscope comprising a flexible sheath having a multi-lumen tube which is rotatable about an axis of the flexible sheath and is formed to have a pair of guide lumens, a pair of high-frequency electrodes which are arranged to be movable at a tip end of the...http://www.google.es/patents/US20070198011?utm_source=gb-gplus-sharePatente US20070198011 - BIPOLAR HIGH-FREQUENCY TREATMENT TOOL FOR ENDOSCOPE
BIPOLAR HIGH-FREQUENCY TREATMENT TOOL FOR ENDOSCOPE
