DE3903150C2 - - Google Patents

Info

Publication number
DE3903150C2
DE3903150C2 DE19893903150 DE3903150A DE3903150C2 DE 3903150 C2 DE3903150 C2 DE 3903150C2 DE 19893903150 DE19893903150 DE 19893903150 DE 3903150 A DE3903150 A DE 3903150A DE 3903150 C2 DE3903150 C2 DE 3903150C2
Authority
DE
Germany
Prior art keywords
plates
light
beam path
arrangement according
parallel
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
DE19893903150
Other languages
German (de)
English (en)
Other versions
DE3903150A1 (de
Inventor
Hideo Sugimoto
Rensuke Tokio/Tokyo Jp Adachi
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of DE3903150A1 publication Critical patent/DE3903150A1/de
Application granted granted Critical
Publication of DE3903150C2 publication Critical patent/DE3903150C2/de
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
    • A61B1/04—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 combined with photographic or television appliances
    • A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
    • 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
    • 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
    • G02B23/2407—Optical details
    • G02B23/2461—Illumination
    • G02B23/2469—Illumination using optical fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
    • G02B26/04—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light by periodically varying the intensity of light, e.g. using choppers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)
DE19893903150 1988-02-04 1989-02-02 Bleuchtungssystem fuer ein endoskop Granted DE3903150A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63025426A JP2835045B2 (ja) 1988-02-04 1988-02-04 内視鏡の光源装置

Publications (2)

Publication Number Publication Date
DE3903150A1 DE3903150A1 (de) 1989-08-17
DE3903150C2 true DE3903150C2 (enrdf_load_stackoverflow) 1991-05-08

Family

ID=12165636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893903150 Granted DE3903150A1 (de) 1988-02-04 1989-02-02 Bleuchtungssystem fuer ein endoskop

Country Status (2)

Country Link
JP (1) JP2835045B2 (enrdf_load_stackoverflow)
DE (1) DE3903150A1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0795152B2 (ja) * 1988-09-20 1995-10-11 株式会社東芝 内視鏡装置
JP2577260Y2 (ja) * 1990-11-20 1998-07-23 旭光学工業株式会社 内視鏡用光源装置
US5488509A (en) * 1993-08-19 1996-01-30 Asahi Kogaku Kogyo Kabushiki Kaisha Light source apparatus for endoscope
DE10325356A1 (de) * 2003-06-05 2004-12-30 Evotec Technologies Gmbh Beleuchtungs-Intensitätsregler sowie Beobachtungs- und/oder Untersuchungvorrichtung
JP4857672B2 (ja) * 2005-09-06 2012-01-18 株式会社日立製作所 投射型映像表示装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60232125A (ja) * 1984-05-02 1985-11-18 オリンパス光学工業株式会社 内視鏡用光源装置
DE3526993A1 (de) * 1984-07-31 1986-02-13 Olympus Optical Co., Ltd., Tokio/Tokyo Blendenanordnung einer lichtquelle fuer ein endoskop
JPS61175609A (ja) * 1985-01-31 1986-08-07 Olympus Optical Co Ltd 内視鏡用光源装置の絞り装置
JPS6141432A (ja) * 1984-08-06 1986-02-27 オリンパス光学工業株式会社 内視鏡用光源装置の絞り装置
JP2610256B2 (ja) * 1987-01-26 1997-05-14 株式会社東芝 内視鏡の光源装置

Also Published As

Publication number Publication date
JP2835045B2 (ja) 1998-12-14
DE3903150A1 (de) 1989-08-17
JPH01200217A (ja) 1989-08-11

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PENTAX CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee