PROBLEM TO BE SOLVED: To prevent opening/closing obstruction of scissor pieces due to burning of a living tissue in cautery dissection.SOLUTION: A high frequency cautery dissection scissors device for an endoscope is composed so that a pair of scissor pieces 10A and 10B opens/closes while keeping a space of predetermined dimensions therebetween by being supported on an axis 11 through a space ring 90 of a predetermined dimensional width, the pair of scissor pieces 10A and 10B being held on arms 7A and 7B of a treatment section 100 connected to a distal end of a flexible sheath 200 that is inserted into/removed from a treatment instrument guide tube of the endoscope and being opened/closed by links 6A and 6B.COPYRIGHT: (C)2013,JPO&INPIT【課題】焼灼切開における生体組織の焼き付きによる鋏片の開閉阻害を防止すること。【解決手段】内視鏡の処置具案内管に挿脱される可撓性シース200の先端に接続された処置部100の腕部7A及び7Bに保持されてリンク6A及び6Bによって開閉される一対の鋏片10A及び10Bが、所定寸法幅の間隔環90を介挿して軸11に軸支されることによって、前記一対の鋏片10A及び10Bを所定寸法の間隔をもって開閉するように構成した内視鏡用高周波焼灼切開鋏装置。【選択図】図2
