JPS6219614U - - Google Patents

Info

Publication number
JPS6219614U
JPS6219614U JP1985109612U JP10961285U JPS6219614U JP S6219614 U JPS6219614 U JP S6219614U JP 1985109612 U JP1985109612 U JP 1985109612U JP 10961285 U JP10961285 U JP 10961285U JP S6219614 U JPS6219614 U JP S6219614U
Authority
JP
Japan
Prior art keywords
light
luminous flux
endoscope
illumination light
light source
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
JP1985109612U
Other languages
English (en)
Other versions
JPH0435855Y2 (ja
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 filed Critical
Priority to JP1985109612U priority Critical patent/JPH0435855Y2/ja
Priority to US06/883,107 priority patent/US4706657A/en
Publication of JPS6219614U publication Critical patent/JPS6219614U/ja
Application granted granted Critical
Publication of JPH0435855Y2 publication Critical patent/JPH0435855Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0655—Control therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0661—Endoscope light sources
    • A61B1/0669—Endoscope light sources at proximal end of an endoscope

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)

Description

【図面の簡単な説明】
第１図〜第９図は本考案の一実施例を示し、第
１図は本考案の光量調節装置が適用される内視鏡
および光源装置の概略図、第２図は光量調節装置
の側面図、第３図は光束の周辺部を遮蔽するため
の遮蔽板の正面図、第４図は光束の中央部を遮蔽
するための遮蔽板の正面図、第５図は光量調節装
置の下半分を示す正面図、第６図は像伝送光学系
である光学繊維束の接眼側端部近傍を示す拡大図
、第７図は光量を検出するセンサーを示す平面図
、第８図、第９図は各遮蔽板のサーボ制御回路を
それぞれ示す回路図、第１０図、第１１図はそれ
ぞれ異なる他の実施例を示す正面図、第１２図〜
第１４図はさらに異なる実施例を示し、第１２図
は遮蔽板の配置位置を示す側面図、第１３図、第
１４図は各遮蔽板の正面図、第１５図〜第１７図
は受像機を用いて像を観察する場合の各実施例を
示し、イは画面の分割領域を示す図、ロは映像信
号から像の明かるさを検出する方法を示す図、第
１８図は従来の光量調節装置が適用される内視鏡
および光源装置の概略図、第１９図は光学繊維束
による照明光伝送の原理を示す図、第２０図〜第
２２図は体腔内での内視鏡の挿入部の異なる状態
を示す断面図、第２３図、第２４図は従来の光量
調節装置の異なる絞り状態を示す正面図である。 １０…内視鏡、１１…操作部、１２…挿入部、
１８…光学繊維束（照明光伝送光学系）、２０…
光源装置、２２…ランプ（光源）、３０，４０，
５０，６０…光量調節装置、３１，５１，６１…
光束の中央部を遮蔽するための遮蔽板、３２，５
２，６２…光束の周辺部を遮蔽するための遮蔽板
、Ａ…光束、Ａｃ…光束の中央部、Ａｒ…光束の
周辺部、Ｏ…光束の中心。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光源からの照明光を、照明光伝送光学系を介し
    て、内視鏡の挿入部の所定位置に設けられた照明
    窓から照射する際に、光源と照明光伝送光学系の
    端部との間に配置されて上記照明光の光量を調節
    する装置において、照明光の光束の中央部から周
    辺部にわたつて区分された複数の領域を、互いに
    独立して制御される遮蔽板により、それぞれ遮蔽
    することを特徴とする内視鏡用光量調節装置。
JP1985109612U 1985-07-19 1985-07-19 Expired JPH0435855Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1985109612U JPH0435855Y2 (ja) 1985-07-19 1985-07-19
US06/883,107 US4706657A (en) 1985-07-19 1986-07-08 Light quantity adjuster for endoscope apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985109612U JPH0435855Y2 (ja) 1985-07-19 1985-07-19

Publications (2)

Publication Number Publication Date
JPS6219614U true JPS6219614U (ja) 1987-02-05
JPH0435855Y2 JPH0435855Y2 (ja) 1992-08-25

Family

ID=14514706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985109612U Expired JPH0435855Y2 (ja) 1985-07-19 1985-07-19

Country Status (2)

Country Link
US (1) US4706657A (ja)
JP (1) JPH0435855Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008023488A1 (en) * 2006-08-24 2008-02-28 Olympus Medical Systems Corp. Endoscope device

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5642456A (en) * 1993-09-14 1997-06-24 Cogent Light Technologies, Inc. Light intensity attenuator for optical transmission systems
DE19529164B4 (de) * 1994-08-08 2007-07-19 Pentax Corp. Vorrichtung zum Steuern der von der Beleuchtungseinheit eines Endoskops abgegebenen Lichtmenge
DE19509157C2 (de) * 1995-03-14 1997-05-15 Meinrad Maechler Optisches System mit großen Meßbereichen
JP2001108917A (ja) * 1999-10-05 2001-04-20 Asahi Optical Co Ltd 内視鏡用光源装置
JP3637264B2 (ja) * 2000-05-31 2005-04-13 ペンタックス株式会社 内視鏡用光源装置
JP2003290140A (ja) * 2002-03-29 2003-10-14 Fuji Photo Optical Co Ltd 内視鏡用光源装置
JP5767775B2 (ja) 2009-07-06 2015-08-19 富士フイルム株式会社 内視鏡装置
JP5401205B2 (ja) * 2009-08-10 2014-01-29 富士フイルム株式会社 内視鏡装置
JP5513101B2 (ja) * 2009-12-25 2014-06-04 株式会社トプコン 光画像計測装置
JP5390371B2 (ja) * 2009-12-25 2014-01-15 株式会社トプコン 光画像計測装置及び光アッテネータ
JP5450527B2 (ja) * 2011-08-10 2014-03-26 富士フイルム株式会社 内視鏡装置
KR20140102521A (ko) * 2013-02-14 2014-08-22 삼성전자주식회사 내시경 장치 및 그 제어 방법
EP3581984A4 (en) * 2017-03-14 2021-01-13 Pioneer Corporation DISPLAY DEVICE
EP4274464A1 (en) * 2021-01-06 2023-11-15 Intuitive Surgical Operations, Inc. Devices and methods for creating uniform illumination
US11892617B2 (en) 2021-12-21 2024-02-06 Karl Storz Imaging, Inc. Endoscope system with adaptive lighting control

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887523A (ja) * 1981-11-19 1983-05-25 Olympus Optical Co Ltd 照明装置付撮像装置
JPS58186717A (ja) * 1982-04-26 1983-10-31 Olympus Optical Co Ltd 内視鏡用写真撮影装置
JPS6079324A (ja) * 1983-10-07 1985-05-07 Olympus Optical Co Ltd 内視鏡

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444462A (en) * 1981-08-28 1984-04-24 Sumitomo Electric Industries, Ltd. Picture image observation system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887523A (ja) * 1981-11-19 1983-05-25 Olympus Optical Co Ltd 照明装置付撮像装置
JPS58186717A (ja) * 1982-04-26 1983-10-31 Olympus Optical Co Ltd 内視鏡用写真撮影装置
JPS6079324A (ja) * 1983-10-07 1985-05-07 Olympus Optical Co Ltd 内視鏡

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008023488A1 (en) * 2006-08-24 2008-02-28 Olympus Medical Systems Corp. Endoscope device

Also Published As

Publication number Publication date
JPH0435855Y2 (ja) 1992-08-25
US4706657A (en) 1987-11-17

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