PROBLEM TO BE SOLVED: To provide a treatment tool capable of preventing a biological tissue holding surface from contacting a biological tissue holding surface of a second clamping member.SOLUTION: The treatment tool performs treatment by the action of energy on biological tissue, comprising: first and second clamping members 72, 74 a swing member 76 which is supported by the first clamping member and which can swing using a swing shaft as a fulcrum in a first direction and a second direction opposite the first direction a limiter 78 which limits the swing of the swing member in the first direction or the second direction a first holding surface 80 which is provided on the side of the swing member approaching the second clamping member and which holds the biological tissue a second holding surface 82 which is provided on the second clamping member and which holds the biological tissue working together with the first holding surface and a protruding part 88 which, in a state in which the first and the second holding surface are closed, forms a gap between the first and the second holding surface.COPYRIGHT: (C)2015,JPO&INPIT【課題】生体組織把持面が、第2挟持部材の生体組織把持面に当接することを防止可能な処置具を提供する。【解決手段】生体組織にエネルギを作用させて処置を行うための処置具は、第1及び第2挟持部材72,74と、前記第1挟持部材に支持され回動軸を支点として第1方向及び前記第1方向に対して反対側の第2方向に回動可能な回動部材76と、前記回動部材の前記第1方向及び第2方向のうちの一方への回動を制限する制限部78と、前記回動部材のうち前記第2挟持部材に近接する側に設けられ生体組織を把持する第1把持面80と、前記第2挟持部材に設けられ前記第1把持面と協働して生体組織を把持する第2把持面82と、前記第1及び第2把持面同士を閉じた状態で前記第1及び第2把持面間に隙間を形成する突部88とを有する。【選択図】図6A
