PROBLEM TO BE SOLVED: To provide a medical treatment device capable of easily peeling linear tissue from peripheral tissue and capable of indwelling a neurostimulation electrode.SOLUTION: The medical treatment device 2 includes a sheath 31, a pair of treatment pieces 11A provided on the leading end side of the sheath so as to be capable of being brought into contact with each other and made separable from each other and constituted so as to avoid the leading end side space T prescribed on the leading end side and in front of the sheath on the axial line C1 of the sheath at a mutual contact time, and a linear member 34 inserted through the sheath before and behind to bring the pair of the treatment pieces to a mutual contact state and a mutually separated state. The recessed part from the mutual contact surfaces of the pair of the treatment pieces is formed to at least one of the pair of the treatment pieces and, when the pair of the treatment pieces come into contact with each other, the through-hole 21 formed by the pair of the treatment pieces and the recessed part communicates with the leading end side space.COPYRIGHT: (C)2013,JPO&INPIT【課題】線状組織を周辺組織から容易に剥離し、神経刺激電極を留置することを可能にする医療用処置具を提供する。【解決手段】医療用処置具2は、シース31と、シースの先端側に互いに当接および離間可能に設けられるとともに、互いに当接したときに、シースの軸線C1上であってシースの先端側および前方に規定される先端側空間Tを避けるように構成された一対の処置片11Aと、シースに進退可能に挿通され、一対の処置片を互いに当接および離間させるための線状部材34と、を備え、一対の処置片の少なくとも一方には、一対の処置片が互いに当接する当接面から凹んだ凹部が形成され、一対の処置片が互いに当接したときに、一対の処置片および凹部により形成される貫通孔21が先端側空間に連通する。【選択図】図3
