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endoscope

A technology of endoscope and optical fiber, which is applied in the field of endoscope, can solve the problems of inability to obtain insertability, etc., and achieve the effect of shortening the hard length and good insertability

Active Publication Date: 2021-02-26
OLYMPUS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in these conventional methods, there arises a problem that, contrary to demands such as reduction of the diameter of the distal portion of the endoscope and shortening of the rigid length of the distal rigid portion, good insertion properties cannot be obtained.

Method used

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Embodiment Construction

[0026]Hereinafter, the present invention will be described through the illustrated embodiments. Each drawing used in the following description is schematically shown. In order to show each component in a size that is recognizable on the drawing, the dimensional relationship and scale of each component may be set for each component. And so on. Therefore, the present invention is not limited to the form shown in the drawings with regard to the number of components, the shape of the components, the ratio of the sizes of the components, and the relative positional relationship of the components described in the drawings.

[0027]figure 1 It is a perspective view showing the appearance of an endoscope according to an embodiment of the present invention.figure 2 Is showing alongfigure 1 A longitudinal sectional view of a section of the insertion shaft of the insertion portion of the endoscope.image 3 Fromfigure 2 The top view when viewed in the direction of the arrow [3].Figure 4 ~ Figure 9 ...

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Abstract

The endoscope (1) has: a front end rigid part (33), which is arranged on the front end of the insertion part (2), and has a through hole (33a) penetrating from the inside to the outside; an elongated imaging part (23), which is set Inside the insertion part, the front end is fixed in a state of being inserted into the through hole; the optical fiber bundle (28), which is arranged inside the insertion part, has a shape of the front end that is shaped in advance according to other structures in the insertion part. A front-end molding part (M) of a predetermined shape, which is inserted and fixed in the through hole; and a first LG covering tube (29) made of stretched porous polytetrafluoroethylene, which is inserted from the front-end molding part to at least The inner range of the part is covered with optical fiber bundles.

Description

Technical field[0001]The present invention relates to an endoscope for medical or industrial use.Background technique[0002]Conventionally, endoscopes configured to have an insertion portion in the shape of an elongated tube have been widely used, for example, in the medical field and the industrial field. Among them, medical endoscopes used in the medical field are configured to be able to insert the insertion part into the body cavity of a subject, such as a living body, to observe organs, etc., or to insert the organs and the like into the body as needed. The treatment tool included in the endoscope penetrates the treatment tool inserted into the channel to perform various treatments. In addition, the industrial endoscope used in the industrial field is configured to be able to insert the insertion part into the interior of a subject such as a jet engine, factory piping and other devices or mechanical equipment, etc., to the state of the subject such as damage and corrosion. Wait ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B1/00G02B23/24
CPCA61B1/00096A61B1/0011A61B1/00167A61B1/00188A61B1/0052A61B1/0055A61B1/07G02B6/06G02B6/3624G02B23/2469G02B23/26
Inventor 村山真彦
Owner OLYMPUS CORP
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