US 12,433,476 B2
Endoscope having fastener for bundling wire sheaths in flexible portion and endoscope system
Shun Inoue, Hachioji (JP); and Kosuke Kishi, Hachioji (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Tokyo (JP)
Filed on Jul. 8, 2022, as Appl. No. 17/860,527.
Application 17/860,527 is a continuation of application No. PCT/JP2021/001239, filed on Jan. 15, 2021.
Claims priority of provisional application 62/961,872, filed on Jan. 16, 2020.
Claims priority of application No. PCT/JP2020/040874 (WO), filed on Oct. 30, 2020.
Prior Publication US 2022/0338720 A1, Oct. 27, 2022
Int. Cl. A61B 1/005 (2006.01); A61B 1/00 (2006.01); A61B 1/008 (2006.01); A61B 1/01 (2006.01); A61B 1/045 (2006.01); A61B 5/06 (2006.01); A61B 90/00 (2016.01); A61B 1/018 (2006.01); A61B 34/10 (2016.01); G02B 23/24 (2006.01)
CPC A61B 1/0057 (2013.01) [A61B 1/00006 (2013.01); A61B 1/00009 (2013.01); A61B 1/00042 (2022.02); A61B 1/00064 (2013.01); A61B 1/00105 (2013.01); A61B 1/00121 (2013.01); A61B 1/00128 (2013.01); A61B 1/00133 (2013.01); A61B 1/00154 (2013.01); A61B 1/0016 (2013.01); A61B 1/005 (2013.01); A61B 1/0052 (2013.01); A61B 1/0055 (2013.01); A61B 1/008 (2013.01); A61B 1/009 (2022.02); A61B 1/01 (2013.01); A61B 1/045 (2013.01); A61B 5/062 (2013.01); A61B 90/37 (2016.02); A61B 1/00066 (2013.01); A61B 1/018 (2013.01); A61B 2034/105 (2016.02); G02B 23/2476 (2013.01); G06T 2207/10068 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An endoscope comprising:
an insertion portion having an articulating joint and a passively bent flexible portion, the joint is disposed at a distal end of the flexible portion;
a first wire and a second wire for articulating the joint, the first wire and the second wire being fixed on both sides of a central axis in a longitudinal direction of the joint at a distal end of the joint;
a first wire sheath which is inserted through an internal path of the insertion portion and through which the first wire is inserted; and
a second wire sheath which is inserted through the internal path of the insertion portion and through which the second wire is inserted,
wherein the first wire sheath is bundled by a first fastener so as to be close to the second wire sheath, the first fastener is disposed in an internal path of the flexible portion, and
the first wire sheath and the second wire sheath are bundled so as to be relatively advancing and retreating by the first fastener.