JPH0443247B2 - - Google Patents

Info

Publication number
JPH0443247B2
JPH0443247B2 JP58237998A JP23799883A JPH0443247B2 JP H0443247 B2 JPH0443247 B2 JP H0443247B2 JP 58237998 A JP58237998 A JP 58237998A JP 23799883 A JP23799883 A JP 23799883A JP H0443247 B2 JPH0443247 B2 JP H0443247B2
Authority
JP
Japan
Prior art keywords
light
zone
shielding plate
optical fiber
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.)
Expired - Lifetime
Application number
JP58237998A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60130713A (ja
Inventor
Tsutomu Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP58237998A priority Critical patent/JPS60130713A/ja
Publication of JPS60130713A publication Critical patent/JPS60130713A/ja
Publication of JPH0443247B2 publication Critical patent/JPH0443247B2/ja
Granted 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
    • A61B1/0661—Endoscope light sources
    • A61B1/0669—Endoscope light sources at proximal end of an endoscope
    • 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
    • A61B1/0646—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 with illumination filters
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/26—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Diaphragms For Cameras (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Endoscopes (AREA)
JP58237998A 1983-12-19 1983-12-19 内視鏡用光源装置における絞り装置 Granted JPS60130713A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58237998A JPS60130713A (ja) 1983-12-19 1983-12-19 内視鏡用光源装置における絞り装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58237998A JPS60130713A (ja) 1983-12-19 1983-12-19 内視鏡用光源装置における絞り装置

Publications (2)

Publication Number Publication Date
JPS60130713A JPS60130713A (ja) 1985-07-12
JPH0443247B2 true JPH0443247B2 (enrdf_load_stackoverflow) 1992-07-16

Family

ID=17023603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58237998A Granted JPS60130713A (ja) 1983-12-19 1983-12-19 内視鏡用光源装置における絞り装置

Country Status (1)

Country Link
JP (1) JPS60130713A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62191808A (ja) * 1986-02-17 1987-08-22 Wako Denki Kk ライトガイド用光源装置の光量調整装置
JP2741595B2 (ja) * 1987-12-26 1998-04-22 旭光学工業株式会社 内視鏡の光源装置
US4901144A (en) * 1988-07-20 1990-02-13 Welch Allyn, Inc. Video endoscope aperture wheel drive system
JPH02152104A (ja) * 1988-12-05 1990-06-12 Fuji Photo Optical Co Ltd 光源光量調整装置
JP2917292B2 (ja) * 1989-04-27 1999-07-12 富士写真光機株式会社 内視鏡用光源光量調整装置
JP2007014412A (ja) * 2005-07-05 2007-01-25 Pentax Corp 内視鏡光源装置
JP4787004B2 (ja) * 2005-11-15 2011-10-05 Ｈｏｙａ株式会社 内視鏡光源装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055234B2 (ja) * 1977-07-01 1985-12-04 株式会社日立製作所 レ−ザ加工装置

Also Published As

Publication number Publication date
JPS60130713A (ja) 1985-07-12

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