To facilitate the taking-out of a treatment tool and prevent adhesion of foreign matters such as dust thereto by providing an attachable and detachable element installed to a case body, and forming a substantially spiral treatment tool housing groove for housing an endoscopic treatment tool on at least one of the connecting surfaces of the case body and the attachable and detachable element.
When an endoscopic treatment tool 10 is not used, the treatment tool 10 is housed in a housing case 1. At this time, the wire-like insert part 11 of the treatment tool 10 is set in the substantially spiral treatment tool housing groove 4 of a case body 2 in the state where a lid body 3 is removed from the case body 2. The operation part 12 of the treatment tool 10 is also laid in the state protruded to the outside from the front opening part 5 of the case body 2. After the treatment tool 10 is set, the lid body 3 is put on the case body 2, and the hook 9 of each engaging claw 8 is hooked on the edge part of the vertical groove 6 of the case body 2, whereby the housing of the treatment tool 10 into the case 1 is ended. When the treatment tool 10 is used, the operation part 12 is pulled out, and the insert part 11 is pulled out in the state where it is slipped through the housing groove 4.
AMANO ATSUSHI
ONO TETSUYA
NOMURA TADAKUNI
TORIYAMA SEIKI
USHIFUSA HIROYUKI
KAWABATA TAKESHI
OSHIMA MUTSUMI
INOMATA KENYA
SHOJI HIDEYUKI
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