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Endoscope, part fixing structure for endoscope, and part fixing method for endoscope

A technology of endoscope and ring member, applied in the field of endoscope, can solve problems such as lead tube falling off, and achieve the effect of expanding internal space

Active Publication Date: 2016-02-10
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the front end portions of the pair of bent pieces abut on symmetrical positions (positions on opposite sides at 180 degrees in the circumferential direction) on the outer peripheral surface of the lead tube, there is a disadvantage that the lead tube is likely to come off from between the bent pieces.

Method used

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  • Endoscope, part fixing structure for endoscope, and part fixing method for endoscope
  • Endoscope, part fixing structure for endoscope, and part fixing method for endoscope
  • Endoscope, part fixing structure for endoscope, and part fixing method for endoscope

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Embodiment Construction

[0051] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

[0052] figure 1 It is an external view of an endoscope to which the present invention is applied. In this figure, the endoscope 2 includes: an insertion unit 10 inserted into the body; an operation unit 11 provided continuously to the base end portion of the insertion unit 10 ; and a universal cable 12 provided continuously to the operation unit 11 . The universal cable 12 is used to connect the endoscope 2 with a processing device (not shown) that processes image signals captured by the endoscope 2 and a light source device (not shown) that emits illuminating light transmitted to the endoscope 2 ), equipped with signal cables for transmitting image signals, control signals, light guides for conducting illumination light, and the like.

[0053] The insertion part 10 has a distal rigid part 13 , a curved part 14 provided continuously from the proxi...

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PUM

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Abstract

An endoscope includes an insertion part in which a rigid distal end part, a bending part, and a flexible tube part are provided; an operating part having a bending operation mechanism; an operating wire; a wire guide pipe; and a sleeve of which the inside is formed in a hollow tubular shape along an axial direction parallel to a longitudinal axis of the insertion part and which is externally fitted to and hold a distal end part of the operating wire or the wire guide pipe. The sleeve includes a slit that is formed by cutting out a partition wall of the insertion part. An opening width of the slit in a circumferential direction perpendicular to the axial direction is made to be smaller than an external diameter of the distal end part of the operating wire inserted through the sleeve or the wire guide pipe.

Description

technical field [0001] The present invention relates to an endoscope, a member fixing structure of an endoscope, and a member fixing method of an endoscope, and particularly relates to an operation wire arranged inside an insertion portion of an endoscope to bend a bending portion, or an operation wire The fixed structure fixes the front end of the lead tube where the wire is inserted. Background technique [0002] A flexible endoscope widely used in medical treatment generally includes an insertion portion inserted into the body of a subject, and an operation portion grasped and operated by an operator. The insertion part is constituted by sequentially connecting the front end hard part containing the objective optical system, the solid-state imaging element, etc., the bending part bent by the bending operation of the operation part, and the flexible vertically long flexible tube part sequentially from the front end side. . [0003] The bending part is constituted by conn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/00A61B1/005A61B1/01
CPCA61B1/0052A61M25/0147A61B1/0057A61B1/0055A61B1/0011B23K26/21
Inventor 山崎正幸山根健二铃木智也
Owner FUJIFILM CORP