Joe gripping treatment device, it closed the jaw with respect to the probe treatment unit a contact portion that can abut on the probe treatment portion in the state, and a spacing portion disposed with a gap between the probe treatment portion in a state where the contact portion is in contact with the probe treatment portion , it provided a. The jaw is provided in the distal direction side of the separation portion, and a distal wall portion protruding toward the probe treatment portion from the separation portion is provided in the proximal direction side of the separation portion, the more the spacing portion and it includes a base end side wall portion protruding toward the probe treatment unit.把持処置装置のジョーは、前記ジョーをプローブ処置部に対して閉じた状態で前記プローブ処置部に当接可能な当接部と、前記当接部が前記プローブ処置部に当接した状態で前記プローブ処置部との間に隙間を有して配置される離間部と、を備える。前記ジョーは、前記離間部より先端方向側に設けられ、前記離間部より前記プローブ処置部に向かって突出する先端側壁部と、前記離間部より基端方向側に設けられ、前記離間部より前記プローブ処置部に向かって突出する基端側壁部と、を備える。
