JPS58166615U - Endoscope field aperture device - Google Patents

Endoscope field aperture device

Info

Publication number
JPS58166615U
JPS58166615U JP6465482U JP6465482U JPS58166615U JP S58166615 U JPS58166615 U JP S58166615U JP 6465482 U JP6465482 U JP 6465482U JP 6465482 U JP6465482 U JP 6465482U JP S58166615 U JPS58166615 U JP S58166615U
Authority
JP
Japan
Prior art keywords
field
field diaphragm
hollow
diaphragm
recess
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6465482U
Other languages
Japanese (ja)
Other versions
JPH0228491Y2 (en
Inventor
敏彦 橋口
磯野　今朝男
Original Assignee
オリンパス光学工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by オリンパス光学工業株式会社 filed Critical オリンパス光学工業株式会社
Priority to JP6465482U priority Critical patent/JPS58166615U/en
Publication of JPS58166615U publication Critical patent/JPS58166615U/en
Application granted granted Critical
Publication of JPH0228491Y2 publication Critical patent/JPH0228491Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Diaphragms For Cameras (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来例における視野絞りを示す概略正面図、第
２図ないし第５図は第１実施例に係り、第２図は第１実
施例を適用した硬性内視鏡を一部切り欠いて示す側面図
、第３図は第１実施例の要部周辺を示す断面図、第４図
は第３図におけるＡ−Ａ線断面図、第５図は第１実施例
を接眼部後方から観察した場合の視野を示す説明図、第
６図は、第２実施例における視野を示す説明図、第７図
は第３実施例の要部周辺を示す断面図、第８図は第４実
施例の要部周辺を示す断面図、第９図及び第１０図は第
５実施例に係り、第９図は第５実施例の要部断面図、第
１０図は第５実施例における視野絞りの形状を示す斜視
図である。 １１・・・硬性内視鏡、１５・・・接眼レンズ系、２５
・・・リレーレンズ系、２６．２６’、４１・・・視野
絞り、２９・・・接眼枠、３０．６６・・・突部、３６
゜３６’、４２・・・指標、５１．　６５・・・台座、
６３・・・イメージガイドファイバ。 Ｊｂ　　　　　　　　　　　　　　　　／　　　　　Ｊ
／３６Fig. 1 is a schematic front view showing a field stop in a conventional example, Figs. 2 to 5 relate to the first embodiment, and Fig. 2 is a partially cutaway view of a rigid endoscope to which the first embodiment is applied. 3 is a sectional view showing the vicinity of the main part of the first embodiment, FIG. 4 is a sectional view taken along the line A-A in FIG. 3, and FIG. FIG. 6 is an explanatory diagram showing the field of view in the second embodiment, FIG. 7 is a sectional view showing the vicinity of the main part of the third embodiment, and FIG. 8 is a diagram showing the field of view in the second embodiment. 9 and 10 are sectional views showing the vicinity of the main parts of the embodiment, FIG. 9 is a sectional view of the main parts of the fifth embodiment, and FIG. 10 is a field of view in the fifth embodiment. It is a perspective view showing the shape of an aperture. 11... Rigid endoscope, 15... Eyepiece system, 25
...Relay lens system, 26.26', 41...Field diaphragm, 29...Eyepiece frame, 30.66...Protrusion, 36
゜36', 42... index, 51. 65...Pedestal,
63... Image guide fiber. Jb/J
/36

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）対物光学系で結像された光学像を、像伝達手段を
介し、視野範囲を形成する中空視野部を有する枠状の視
野絞り後方の接眼レンズを通して観察できるように構成
された内視鏡において、前記視野絞りを取り付ける凹部
を設けた中空部材若しくは該凹部周辺の中空部材に、視
野絞りの中空視野部内周面を遮蔽する内側に突出する突
部を形成したことを特徴とする内視鏡の視野絞り装置。(1) An endoscope configured so that the optical image formed by the objective optical system can be observed through an eyepiece behind a frame-shaped field diaphragm having a hollow field part forming a field of view via an image transmission means. In the mirror, the hollow member provided with the recess for attaching the field diaphragm or the hollow member around the recess is formed with a protrusion protruding inward for shielding the inner peripheral surface of the hollow field part of the field diaphragm. Mirror field diaphragm. （２）前記内側に突出する突部は、視野絞りに隣接する
前方若しくは後方に設けたことを特徴とする実用新案登
録請求の範囲第１項記載の内視鏡の視野絞り装置。(2) The field diaphragm device for an endoscope according to claim 1, wherein the inwardly protruding protrusion is provided at the front or rear adjacent to the field diaphragm.
JP6465482U 1982-04-30 1982-04-30 Endoscope field aperture device Granted JPS58166615U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6465482U JPS58166615U (en) 1982-04-30 1982-04-30 Endoscope field aperture device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6465482U JPS58166615U (en) 1982-04-30 1982-04-30 Endoscope field aperture device

Publications (2)

Publication Number Publication Date
JPS58166615U true JPS58166615U (en) 1983-11-07
JPH0228491Y2 JPH0228491Y2 (en) 1990-07-31

Family

ID=30074671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6465482U Granted JPS58166615U (en) 1982-04-30 1982-04-30 Endoscope field aperture device

Country Status (1)

Country Link
JP (1) JPS58166615U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6111118U (en) * 1984-06-22 1986-01-23 富士写真光機株式会社 Objective lens optical system for endoscopes

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4633281B2 (en) * 2001-03-05 2011-02-16 オリンパス株式会社 Endoscope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6111118U (en) * 1984-06-22 1986-01-23 富士写真光機株式会社 Objective lens optical system for endoscopes

Also Published As

Publication number Publication date
JPH0228491Y2 (en) 1990-07-31

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