SU625686A1 - Endoscope optical system - Google Patents

Endoscope optical system

Info

Publication number
SU625686A1
SU625686A1 SU762354918A SU2354918A SU625686A1 SU 625686 A1 SU625686 A1 SU 625686A1 SU 762354918 A SU762354918 A SU 762354918A SU 2354918 A SU2354918 A SU 2354918A SU 625686 A1 SU625686 A1 SU 625686A1
Authority
SU
USSR - Soviet Union
Prior art keywords
lens
optical system
negative
coefficient
refractive index
Prior art date
Application number
SU762354918A
Other languages
Russian (ru)
Inventor
Анатолий Иванович Молев
Original Assignee
Всесоюзный Научно-Исследовательский Институт Медицинского Приборостроения
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 Всесоюзный Научно-Исследовательский Институт Медицинского Приборостроения filed Critical Всесоюзный Научно-Исследовательский Институт Медицинского Приборостроения
Priority to SU762354918A priority Critical patent/SU625686A1/en
Application granted granted Critical
Publication of SU625686A1 publication Critical patent/SU625686A1/en

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
    • A61B1/002—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 having rod-lens arrangements

Landscapes

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

Description

на в виде компонента, составленного из линз 5 и 6, к окул ру 4, через который оно рассматриваетс  под увеличением.In the form of a component composed of lenses 5 and 6, to the ocular shaft 4, through which it is viewed under magnification.

Таким образом, особенности выполнени  оборачивающих систем позвол ют расширить возмол ности эндоскопического исследовани  пзтем повышени  освеш;енности и качества нзобрал ени  объекта.Thus, the particularities of the implementation of the inverting systems make it possible to broaden the possibilities of endoscopic research by improving the quality and quality of the object.

Claims (1)

Формула изобретенн Formula invented Оптическа  система эндоскопа, содержаща  объектив, оборачивающие системы с расположенными между ними дво ковогнутыми трехсклеенными стержневидными коллективами и окул р, отличающа с  тем, что, с целью снилсени  астигматизма по полю зрени  и увеличени  освещенности изобрал(ени , кажда  оборачивающа  система выполнена в виде симметричного дво ковыпуклого трехсклеенного компонента , оптически св занного с соответствующим коллективом и состо щего из стерлчневидной отрицательной линзы и двух одинаковых положительных линз, при этом показатель преломлени  отрицательной линзы нревышает показатель преломлени  полол ительных линз не менее чем на 0,2, а коэффициент дисперсии отрицательной лиизы относитс  к коэффициенту диснерсии полол ительных линз как 1:1,2-1:1,4.The optical system of the endoscope, containing a lens, wrapping systems with double-bent three-glued rod-shaped collectives located between them and an eyepiece, characterized in that, in order to reduce astigmatism in the visual field and to increase the illumination, he portrayed each a bucket three-glued component, optically coupled to the corresponding team and consisting of a sterlet brown negative lens and two identical positive lenses, while The refractive index of the negative lens exceeds the refractive index of the polar lens by at least 0.2, and the coefficient of dispersion of the negative lyse refers to the disnersion coefficient of the polar lens as 1: 1.2-1: 1.4. Источники информации, прин тые во внимание при экспертизе 1. Авторское свидетельство СССР № 544422, кл. А 61В 1/00, 1975.Sources of information taken into account during the examination 1. USSR Author's Certificate No. 544422, cl. A 61B 1/00, 1975. 5 65 6
SU762354918A 1976-05-03 1976-05-03 Endoscope optical system SU625686A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU762354918A SU625686A1 (en) 1976-05-03 1976-05-03 Endoscope optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU762354918A SU625686A1 (en) 1976-05-03 1976-05-03 Endoscope optical system

Publications (1)

Publication Number Publication Date
SU625686A1 true SU625686A1 (en) 1978-08-21

Family

ID=20659491

Family Applications (1)

Application Number Title Priority Date Filing Date
SU762354918A SU625686A1 (en) 1976-05-03 1976-05-03 Endoscope optical system

Country Status (1)

Country Link
SU (1) SU625686A1 (en)

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