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endoscope

An endoscope and a storage part technology, applied in the field of endoscopes, can solve the problems of high repair and maintenance costs, and achieve the effects of easy disassembly and assembly, and excellent workability.

Active Publication Date: 2018-04-13
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, conventional endoscopes have the problem of high costs for repair and maintenance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0044] First, a component fixing structure of an endoscope according to an embodiment of the present invention will be described based on the drawings. figure 1 Is a plan view showing the overall structure of an endoscope according to an aspect of the present invention, figure 2 Is a perspective view showing the structure of the insertion part, image 3 Is an exploded perspective view showing the structure of the tip portion, Figure 4 Is a perspective view showing the structure of the air and water nozzle, Figure 5 It is a perspective view showing the structure of a nozzle holding hole, a pin installation groove, and a pin exit groove formed on the front end rigid part, Image 6 It is a cross-sectional view showing a state before the air and water supply nozzle is mounted on the tip portion, Figure 7 It is a cross-sectional view showing a state in the middle of the installation of the air and water nozzle on the tip, Figure 8 It is a cross-sectional view showing a state in whi...

no. 1 reference example

[0094] Picture 12 It is a perspective view partially showing the tip of the air and water supply nozzle, Figure 13 It is a cross-sectional view showing a state in which a pin for fixing the air and water supply nozzle to the tip portion is inserted.

[0095] However, in the above-mentioned embodiment, as a space where the pin 41 of the fixed nozzle can be flexed in order to be able to detach and assemble the air and water nozzle 23 during repair, assembly, etc., the pin exit groove 43 is provided. However, the hard portion is bonded to the tip In the process of 26 and the tip cover 25, in order to ensure a space for the pin 41 inserted into the pin installation groove 42 to be reliably flexed, it is necessary to prevent the adhesive from flowing into the pin exit groove 43.

[0096] However, it is difficult to suppress the adhesive flowing from the outer peripheral side of the front end rigid portion 26 by the straight round rod-shaped pin 41.

[0097] Therefore, in this reference ...

no. 2 reference example

[0109] Figure 14 Is the side view of the camera unit, Figure 15 Yes Figure 14 The front view of the XIV of the vector direction of the camera unit, Figure 16 Yes Figure 15 XVI-XVI line cross-sectional view of the camera unit, Figure 17 Is a perspective view showing the front end of the camera unit, Figure 18 Is an exploded perspective view showing a state where the camera unit is mounted on the front end rigid part, Figure 19 Is a perspective view showing the structure of the fixing pin, Picture 20 Is a sectional view showing the structure of the fixing pin, Figure 21 Is a perspective view showing the structure of the clamp, Figure 22 It is a partial cross-sectional view showing a state where a fixing pin for fixing the camera unit to the front end structure is inserted, Figure 23 It is a perspective view showing a state before the head of the fixing pin protruding from the stepped portion of the front end structure portion is rotated by a jig, Figure 24 Is a perspecti...

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PUM

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Abstract

The endoscope (1) has: a front end cover (25), which is arranged on the front end of the insertion part (2); a holding part (26), which holds the built-in object, and the front end cover is installed on the holding part (26); (23), which is inserted into the front end cover (25) and the holding member (26); the elastic member (41), which is in contact with the outer peripheral portion of the cylindrical member (23), fixes the cylindrical member (23) to the front end cover (25) and on the holding member (26); the first receiving portion (42,44), which is formed at least on the surface of the holding member (26), accommodates the elastic member (41); and the second receiving portion (43,45) , it communicates with the first receiving portion (42, 44), and when the tubular member (23) is inserted and pulled out, it accommodates the An elastic member (41) that flexes by being elastically deformed by contacting the outer periphery.

Description

Technical field [0001] The present invention relates to an endoscope in which various units are fixed to the distal end of an insertion portion. Background technique [0002] As we all know, endoscopes are widely used for observation, treatment, etc. in the body (in a body cavity) of a living body or for inspection and repair in industrial machinery and equipment. [0003] This type of endoscope has an imaging unit equipped with an objective optical system, an illumination unit equipped with an illumination optical system, a channel unit for a treatment instrument channel, a nozzle unit for air and water supply, and the like are fixed to the tip portion of this endoscope by a screw member. [0004] Small screws are screwed into threaded holes formed by tapping the main body of the distal end portion of the endoscope, and these various units are adhered and fixed so that the small screws will not loosen. [0005] For example, Japanese Patent Application Laid-Open No. 11-244222 disclose...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B1/00G02B23/24G02B23/26
CPCG02B23/2423A61B1/00091A61B1/00096A61B1/0011A61B1/05G02B23/2476A61B1/00073A61B1/00101A61B1/00137
Inventor 今井俊一
Owner OLYMPUS CORP