US 12,064,085 B2
Endoscope and method of manufacturing endoscope
Takahiro Suwa, Hachioji (JP)
Assigned to OLYMPUS MEDICAL SYSTEMS CORP., Tokyo (JP)
Filed by OLYMPUS MEDICAL SYSTEMS CORP., Tokyo (JP)
Filed on Feb. 4, 2022, as Appl. No. 17/592,750.
Prior Publication US 2023/0248225 A1, Aug. 10, 2023
Int. Cl. A61B 1/005 (2006.01); A61B 1/00 (2006.01)
CPC A61B 1/0057 (2013.01) [A61B 1/0011 (2013.01); A61B 1/00149 (2013.01); A61B 1/00154 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An endoscope comprising:
a distal end portion of an insertion portion;
a movable member rotatably connected to the distal end portion of the insertion portion;
a wire connected to the movable member and configured to rotate the movable member; and
a rigid guide channel configured to receive the wire, the guide channel being located proximally relative to the movable member;
wherein, as the guide channel extends distally, at least a distal-most portion of the guide channel is inclined inwardly toward a longitudinal axis of the distal end portion of the insertion section; and
the guide channel is configured to maintain the inclination when the wire is tensioned to rotate the movable member.