JPH0258211U

JPH0258211U -

Info

Publication number: JPH0258211U
Application number: JP13646088U
Authority: JP
Priority date: 1988-10-19
Filing date: 1988-10-19
Publication date: 1990-04-26

Description

[Brief explanation of drawings]

第１図乃至第４図はこの考案の第１の実施例を
示すもので、第１図は内視鏡の先端部の概略構成
を示す縦断面図、第２図はイメージガイドフアイ
バの取付け状態を示す要部の縦断面図、第３図は
同横断面図、第４図はプリズム枠の取付け状態を
示す平面図、第５図は第２の実施例を示す要部の
平面図、第６図は第３の実施例を示す要部の平面
図、第７図は第４の実施例を示す要部の平面図、
第８図は第５の実施例を示す要部の平面図である
。２ａ……先端部本体、５……先端カバーレンズ
、１０……光路変換用のプリズム（光路変換用光
学部材）、１１……後方レンズ群、１２……プリ
ズム枠（枠体）、１５……プリズム枠収容座、２
６……作業用凹陥部。 Figures 1 to 4 show a first embodiment of this invention, in which Figure 1 is a vertical sectional view showing the schematic configuration of the distal end of the endoscope, and Figure 2 is a state in which the image guide fiber is attached. 3 is a cross-sectional view of the same, FIG. 4 is a plan view showing how the prism frame is attached, and FIG. 5 is a plan view of the main portion showing the second embodiment. 6 is a plan view of the main part showing the third embodiment, FIG. 7 is a plan view of the main part showing the fourth embodiment,
FIG. 8 is a plan view of main parts showing the fifth embodiment. 2a... Tip body, 5... Tip cover lens, 10... Prism for optical path conversion (optical member for optical path conversion), 11... Rear lens group, 12... Prism frame (frame body), 15... Prism frame accommodation seat, 2
6... Recessed part for work.

Claims

[Scope of utility model registration request]

An optical path converting optical member is provided in the objective optical system disposed in the tip main body, a cover lens is provided in front of the optical path converting optical member, and a rear lens group is provided behind the optical path converting optical member. In the endoscope, a frame body for holding a member is provided, and the frame body of the optical path converting optical member is attached to a housing seat formed in the distal end main body so that the position thereof can be adjusted. An endoscope characterized by having a work recess on the surface for hooking a tool for position adjustment work.