Patent ID: 11925313
Assignee: OLYMPUS CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 17:
18. An endoscope system comprising:
an endoscope comprising an insertion portion configured to be inserted into a subject, the insertion portion comprising a plurality of grooves each recessed relative to an outer circumferential surface of the insertion portion; and
a detachable channel tube comprising:
a cap body having a tubular shape, the cap body being detachably disposed on the outer circumferential surface of a distal end portion of the insertion portion, and
a plurality of channel tubes extending from the cap body;

wherein at least a portion of a cross-sectional shape of a distal end portion of each channel tube is disposed in a respective groove of the plurality of grooves; and
a circumferential distance between adjacent tubes of the plurality of tubes is shorter than a circumferential distance between corresponding adjacent grooves of the plurality of grooves.