JPS58166615U - Endoscope field aperture device - Google Patents
Endoscope field aperture deviceInfo
- 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
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
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)
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.
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.
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)
| 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)
| 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 |
-
1982
- 1982-04-30 JP JP6465482U patent/JPS58166615U/en active Granted
Cited By (1)
| 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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