| CPC A61B 1/00137 (2013.01) [A61B 1/00098 (2013.01); A61B 1/018 (2013.01)] | 10 Claims |
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1. An endoscope comprising:
an operation section in which an operation member is provided;
an insertion section that is provided on a distal end side of the operation section and that is to be inserted into a subject;
a distal-end-portion body that is positioned at a distal end of the insertion section and that has a treatment-tool lead-out port;
an elevator that is disposed on the distal end side of the treatment-tool lead-out port and that is rotatable between a lowered position and an elevated position around a rotation shaft that is perpendicular to a longitudinal-axis direction of the insertion section; and
a cap that is removably attached to the distal-end-portion body and that has a wall portion that defines an open window in a direction perpendicular to both the longitudinal-axis direction of the insertion section and to the rotation shaft,
wherein the cap, that is to be inserted into the subject, includes a cantilever piece that is formed on the wall portion on at least one of sides facing each other with the open window therebetween and is configured to elastically bend, the cantilever piece having a fixed end and a free end, and the cantilever piece including a stopper-target portion that is provided at the free end,
wherein the distal-end-portion body includes a stopper portion on a side facing the cantilever piece, the stopper portion being configured to engage with the stopper-target portion, and
wherein the stopper-target portion is removable from the stopper portion.
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