| 摘要 |
An endoscope includes an elongated insertion portion inserted into a lumen, an operation portion coupled with a proximal end portion of the insertion portion, and an imaging unit which is arranged in a distal end portion of the insertion portion and which is configured to acquire an endoscopic image. The endoscope includes an imaging unit attachment, portion which is provided at the distal end portion of the insertion portion and detachably holds the imaging unit, an imaging unit insertion/removal portion which is provided in the operation portion and enables insertion/removal of the imaging unit with respect to the insertion portion, and an operating mechanism which includes a distal end portion fixed to the imaging unit and a proximal end portion extended to a imaging unit insertion/removal portion side, and which is configured to perform an attachment/detachment operation of the imaging unit on the imaging unit insertion/removal portion side.
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