Endoscopic treatment tool of the present invention has a sheath (3) which lumen is formed, is inserted into the lumen is capable project and retract from the distal end of the sheath (3), the insertion path (41) a long axis member (4), and the stylet (5) arranged on the relatively movable with said insertion path (41) relative to the long shaft member (4), is connected to the distal end of the stylet (5) that connecting part (23) has a proximal end, said distal end and the connecting portion of the insertion path (41) within the stylet (5) (23) and is connected to the long axis member (4) wherein the project and retract implants (2) from the tip, the provided on the proximal side of the sheath (3), and a said stylet (5) operation portion having a base end side is disposed in (6), the implant (2), said connecting portion (23) is positioned in said insertion path (41), and partially pre It is held in a state of being exposed from the long axis member (4).本発明の内視鏡用処置具は、ルーメンが形成されたシース(3)と、前記ルーメン内に挿通され、前記シース(3)の先端から突没可能であり、挿通路(41)を有する長軸部材(4)と、前記長軸部材(4)に対して相対移動可能に前記挿通路(41)に配されたスタイレット(5)と、前記スタイレット(5)の先端に接続される連結部(23)を基端部に有し、前記挿通路(41)内で前記スタイレット(5)の先端と前記連結部(23)とが接続され、前記長軸部材(4)の前記先端から突没可能なインプラント(2)と、前記シース(3)の基端側に設けられ、前記スタイレット(5)の基端側が配置された操作部(6)とを備え、前記インプラント(2)は、前記連結部(23)が前記挿通路(41)内に位置し、且つ一部が前記長軸部材(4)から露出した状態で保持される。
