JPS60135715U

JPS60135715U - rigid endoscope

Info

Publication number: JPS60135715U
Application number: JP2158184U
Authority: JP
Inventors: 田口　晶弘
Original assignee: オリンパス光学工業株式会社
Priority date: 1984-02-17
Filing date: 1984-02-17
Publication date: 1985-09-09

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図Ａは、従来の硬性内視鏡の光源よりライトガイト
口金までの概要断面図、第１図Ｂは第１図Ａのライトガ
イドケーブルのライトガイド入射端での配光強度分布を
示す図、第２図はライトガイト口金の端面での照明光の
位置強度分布を示す図、第３図は本考案の第一実施例に
係る硬性内視鏡の概要断面図、第４図Ａは上記第一実施
例に係る硬性内視鏡のライトガイト口金の端面図、第４
図Ｂは、第４図Ａの位置強度分布を示す図、第５図Ａは
本考案第二実施例に係るライトガイト口金の端面図、第
５図Ｂは第５図Ａの位置強度分布を示す図である。６・・・ライトガイドケーブル、７・・・ライトガイド
ケーブル射出端、８・・・集光レンズ、９・・・ライト
ガイト口金、１０・・・ライトガイト口金端面、１１・
・・ライトガイドバンドル入射端、１２・・・操作部、
１３・・・挿入部、２２・・・ライトガイドバンドル、
２５・・・硬性内視鏡。Figure 1A is a schematic cross-sectional view from the light source of a conventional rigid endoscope to the light guide base, and Figure 1B shows the light intensity distribution at the light guide input end of the light guide cable in Figure 1A. 2 is a diagram showing the positional intensity distribution of illumination light on the end face of the light guide base, FIG. 3 is a schematic sectional view of the rigid endoscope according to the first embodiment of the present invention, and FIG. End view of the light guide cap of the rigid endoscope according to the first embodiment, 4th
Figure B is a diagram showing the positional intensity distribution of Figure 4A, Figure 5A is an end view of the light guide cap according to the second embodiment of the present invention, and Figure 5B is a diagram showing the positional intensity distribution of Figure 5A. FIG. 6... Light guide cable, 7... Light guide cable injection end, 8... Condensing lens, 9... Light guide base, 10... Light guide base end surface, 11.
...Light guide bundle entrance end, 12...Operation unit,
13... Insertion section, 22... Light guide bundle,
25...Rigid endoscope.

Claims

[Scope of utility model registration request]

In a rigid endoscope in which a light guide cable is connected to an operation unit that includes a light guide bundle, the incident end of the light guide bundle is connected with an offset relative to the center of the optical axis of the light guide cable. A rigid endoscope featuring: