Title:
挿入機器及び内視鏡
Document Type and Number:
Japanese Patent JP6803475
Kind Code:
B2
Abstract:
An endoscope includes an active bending portion that is configured to be bent in a first direction according to a bending operation of an operator, a passive bending portion that is provided on a proximal end side of the active bending portion and is passively bent by receiving an external force without being bent according to the bending operation of the operator, and a flexible tube. The passive bending portion includes a first area including two coupling portions that couple two adjacent bending pieces rotatably around two rotation axes crossing at a first angle around a central axis of an insertion portion with respect to a second direction orthogonal to the first direction and a second area including two coupling portions that couple another two adjacent bending pieces rotatably around two second rotation axes crossing at a second angle larger than the first angle with respect to the second direction.
Inventors:
Kohei Araki
Application Number:
JP2019538024A
Publication Date:
December 23, 2020
Filing Date:
July 30, 2018
Export Citation:
Assignee:
Olympus Endo Technology America Inc.
International Classes:
A61B1/008; A61B1/005; A61B1/05; G02B23/24
Domestic Patent References:
| JP2006218231A | ||||
| JP2006068393A |
Foreign References:
| WO2011136115A1 | ||||
| WO2016125336A1 |
Attorney, Agent or Firm:
Patent Business Corporation Itoshin International Patent Office