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endoscope

An endoscopic, curved technology, used in the field of endoscopy

Active Publication Date: 2021-10-08
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, in the tilting operation of the operating lever, it is difficult to bend the endoscope disclosed in Japanese Patent Application Laid-Open No. 09-094218, Japanese Patent Laid-Open No. 09-173279 and Japanese Patent Laid-Open No. 2015-198790. It is easy to bend the bending part in a specific direction such as upward with high precision.

Method used

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Embodiment Construction

[0042] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0043] In each of the drawings used in the following description, the scale may be different for each component so that each component has a recognizable size on the drawing. That is, the present invention is not limited to the number of constituent elements, the shape of the constituent elements, the size ratio of the constituent elements, and the relative positional relationship of each constituent element described in these drawings.

[0044] Such as Figure 1-Figure 3 As shown, the endoscope 1 includes: an elongated insertion part 2; an operation part 3 connected to the root end at the root end side of the insertion part 2; and an endoscope cable extending from the operation part 3, namely a universal cord Cable 4. An endoscope connector 5 is disposed at an extended end of the universal cord 4 .

[0045] The insertion part 2 is a flexible tubular member, and is p...

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Abstract

The invention provides an endoscope. The endoscope 1 includes: a bending portion 7 that can bend in all directions including four directions of up, down, left, and right; a bending operation lever 45 that makes the bending portion 7 performing a bending action; and an operating wire pulling mechanism 50, which is provided integrally with the bending operating rod 45, including an operating rod tilting angle adjustment mechanism that sets the first tilting angle and the second tilting angle at which the bending operating rod 45 is tilted to different angles When the bending operation lever 45 is tilted to make the bending part 7 perform a bending action, in order to bend the bending part 7 to at least one of the four directions by a predetermined bending angle, the bending operation lever 45 is tilted by a first tilting angle In order to bend the bending portion 7 by a predetermined bending angle in a direction different from at least one direction, the bending operation lever 45 is tilted by a second tilting angle.

Description

technical field [0001] The present invention relates to an endoscope in which a bending portion provided in an insertion portion can be bent according to a tilting operation of a bending operation lever. Background technique [0002] Endoscopes are used in medical fields, industrial fields, and the like. In order to improve the insertion performance or observation performance of the insertion part, some endoscopes are provided with a bendable bending part at the insertion part. [0003] The bending portion is configured to be capable of bending in the vertical direction, the vertical direction, the left-right direction, etc., by operating the bending operation device provided in the operation portion. [0004] Japanese Patent Application Laid-Open No. 09-094218 discloses an endoscope in which a bending operation wire is pulled to bend a bending portion. The insertion part is formed by sequentially connecting the front end part, the bending part and the flexible tube, where...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B1/00G02B23/24
CPCA61B1/005A61B1/008A61B1/0052A61B1/0057A61B1/05A61B1/01G02B23/2476A61B1/00
Inventor 高辻贤司
Owner OLYMPUS CORP
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