FR1130653A - Improvements in optical systems for endoscopes - Google Patents

Improvements in optical systems for endoscopes

Info

Publication number
FR1130653A
FR1130653A FR1130653DA FR1130653A FR 1130653 A FR1130653 A FR 1130653A FR 1130653D A FR1130653D A FR 1130653DA FR 1130653 A FR1130653 A FR 1130653A
Authority
FR
France
Prior art keywords
endoscopes
optical systems
optical
systems
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
Application number
Other languages
French (fr)
Inventor
Richard Wolf
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
Application granted granted Critical
Publication of FR1130653A publication Critical patent/FR1130653A/en
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
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00096—Optical elements
    • 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
    • A61B1/00163—Optical arrangements
    • A61B1/00174—Optical arrangements characterised by the viewing angles
    • A61B1/00177—Optical arrangements characterised by the viewing angles for 90 degrees side-viewing
    • 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
    • A61B1/00163—Optical arrangements
    • A61B1/00174—Optical arrangements characterised by the viewing angles
    • A61B1/00179—Optical arrangements characterised by the viewing angles for off-axis viewing
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
FR1130653D 1954-10-21 1955-09-02 Improvements in optical systems for endoscopes Expired FR1130653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1130653X 1954-10-21

Publications (1)

Publication Number Publication Date
FR1130653A true FR1130653A (en) 1957-02-08

Family

ID=7725506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1130653D Expired FR1130653A (en) 1954-10-21 1955-09-02 Improvements in optical systems for endoscopes

Country Status (1)

Country Link
FR (1) FR1130653A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0362767A1 (en) * 1988-10-06 1990-04-11 Lasag Ag Monolithic catadioptric device
FR2637698A1 (en) * 1988-10-10 1990-04-13 Lasag Ag Monolithic catadioptric device
US5359453A (en) * 1992-02-19 1994-10-25 United States Surgical Corporation Optical viewing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0362767A1 (en) * 1988-10-06 1990-04-11 Lasag Ag Monolithic catadioptric device
FR2637698A1 (en) * 1988-10-10 1990-04-13 Lasag Ag Monolithic catadioptric device
US5359453A (en) * 1992-02-19 1994-10-25 United States Surgical Corporation Optical viewing device
US5900971A (en) * 1992-02-19 1999-05-04 United States Surgical Corporation Optical viewing device

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