US 11,925,313 B2
Endoscope and endoscope system
Eijiro Sato, Hachioji (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Tokyo (JP)
Filed on Sep. 15, 2020, as Appl. No. 17/021,473.
Application 17/021,473 is a continuation of application No. PCT/JP2018/029834, filed on Aug. 8, 2018.
Claims priority of application No. 2018-049127 (JP), filed on Mar. 16, 2018.
Prior Publication US 2021/0068616 A1, Mar. 11, 2021
Int. Cl. A61B 1/00 (2006.01)
CPC A61B 1/0008 (2013.01) [A61B 1/00135 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An endoscope comprising:
an insertion portion configured to be inserted into a subject, the insertion portion comprising a groove recessed relative to an outer circumferential surface of the insertion portion;
wherein the groove having an inclination surface at least at a proximal end of the groove;
the inclination surface being inclined in a longitudinal direction of the insertion portion such that the proximal end of the inclination surface terminates at the outer circumferential surface; and
the groove having a distal portion configured to fix at least a portion of a cross-sectional shape of a channel tube.