WO2018124248A9 - 内視鏡対物光学系 - Google Patents

内視鏡対物光学系 Download PDF

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Publication number
WO2018124248A9
WO2018124248A9 PCT/JP2017/047131 JP2017047131W WO2018124248A9 WO 2018124248 A9 WO2018124248 A9 WO 2018124248A9 JP 2017047131 W JP2017047131 W JP 2017047131W WO 2018124248 A9 WO2018124248 A9 WO 2018124248A9
Authority
WO
WIPO (PCT)
Prior art keywords
lens group
optical system
objective optical
endoscope objective
refractive power
Prior art date
Application number
PCT/JP2017/047131
Other languages
English (en)
French (fr)
Other versions
WO2018124248A1 (ja
Inventor
河西研
Original Assignee
オリンパス株式会社
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 オリンパス株式会社 filed Critical オリンパス株式会社
Priority to JP2018537881A priority Critical patent/JP6397160B1/ja
Priority to CN201780071769.4A priority patent/CN109983383B/zh
Priority to DE112017006663.8T priority patent/DE112017006663T5/de
Publication of WO2018124248A1 publication Critical patent/WO2018124248A1/ja
Publication of WO2018124248A9 publication Critical patent/WO2018124248A9/ja
Priority to US16/410,034 priority patent/US11484187B2/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
    • A61B1/00064—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
    • A61B1/00188—Optical arrangements with focusing or zooming features
    • 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
    • A61B1/045—Control thereof
    • 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
    • A61B1/0676—Endoscope light sources at distal tip of an endoscope
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives
    • 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
    • G02B23/2423—Optical details of the distal end
    • G02B23/243—Objectives for endoscopes

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (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)
  • Lenses (AREA)

Abstract

拡大観察と通常観察が可能でありながら、細径で、且つ、良好な結像性能を有する内視鏡対物学系を提供すること。　内視鏡対物光学系は、物体側から順に、正屈折力の第１レンズ群Ｇ１と、負屈折力の第２レンズ群Ｇ２と、正屈折力の第３レンズ群Ｇ３と、からなり、第２レンズ群Ｇ２の最も像側に位置するレンズ面は、像側に凹面を向けた面であり、第２レンズ群Ｇ２は、光軸に沿って移動する。
PCT/JP2017/047131 2016-12-28 2017-12-27 内視鏡対物光学系 WO2018124248A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018537881A JP6397160B1 (ja) 2016-12-28 2017-12-27 内視鏡対物光学系
CN201780071769.4A CN109983383B (zh) 2016-12-28 2017-12-27 内窥镜物镜光学系统
DE112017006663.8T DE112017006663T5 (de) 2016-12-28 2017-12-27 Optisches Endoskopobjektivsystem
US16/410,034 US11484187B2 (en) 2016-12-28 2019-05-13 Endoscope objective optical system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-255818 2016-12-28
JP2016255818 2016-12-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/410,034 Continuation US11484187B2 (en) 2016-12-28 2019-05-13 Endoscope objective optical system

Publications (2)

Publication Number Publication Date
WO2018124248A1 WO2018124248A1 (ja) 2018-07-05
WO2018124248A9 true WO2018124248A9 (ja) 2018-08-30

Family

ID=62710418

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/047131 WO2018124248A1 (ja) 2016-12-28 2017-12-27 内視鏡対物光学系

Country Status (5)

Country Link
US (1) US11484187B2 (ja)
JP (1) JP6397160B1 (ja)
CN (1) CN109983383B (ja)
DE (1) DE112017006663T5 (ja)
WO (1) WO2018124248A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113589519A (zh) * 2021-07-30 2021-11-02 舜宇光学(中山)有限公司 细管径高清内窥镜光学系统
WO2023012866A1 (ja) * 2021-08-02 2023-02-09 オリンパス株式会社 内視鏡用対物光学系、撮像ユニット、及び内視鏡

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5212678B2 (ja) 1971-09-08 1977-04-08
JP4612823B2 (ja) * 2004-09-16 2011-01-12 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP5274877B2 (ja) * 2008-04-11 2013-08-28 Ｈｏｙａ株式会社 ズームレンズ系及びそれを用いた電子撮像装置
JP5148403B2 (ja) * 2008-07-28 2013-02-20 オリンパスメディカルシステムズ株式会社 内視鏡用対物光学系
CN101507596B (zh) * 2008-12-31 2010-12-29 上海澳华光电内窥镜有限公司 电子内窥镜物镜
WO2010137238A1 (ja) 2009-05-26 2010-12-02 オリンパスメディカルシステムズ株式会社 内視鏡の対物レンズ
JP2011203387A (ja) * 2010-03-24 2011-10-13 Olympus Imaging Corp 結像光学系及びそれを有する電子撮像装置
JP5596428B2 (ja) * 2010-06-10 2014-09-24 日東光学株式会社 レンズシステム
JP5853522B2 (ja) * 2011-09-14 2016-02-09 株式会社リコー 結像レンズおよびカメラおよび携帯情報端末装置
CN102393558B (zh) * 2011-12-06 2014-03-05 长春方圆光电技术有限责任公司 长焦距高变倍比变焦系统
JP6071473B2 (ja) * 2012-11-28 2017-02-01 キヤノン株式会社 ズームレンズ及びそれを用いた撮像装置
EP2963473A4 (en) * 2013-02-28 2016-06-15 Olympus Corp OPTICAL LENS SYSTEM
CN104122659A (zh) * 2013-04-23 2014-10-29 张梅 变焦光学系统、内窥镜物镜系统及电子内窥镜
US9606330B2 (en) * 2013-05-09 2017-03-28 Fujifilm Corporation Imaging lens and imaging apparatus
US20160202455A1 (en) * 2013-08-20 2016-07-14 Optotune Ag Optical zoom lens with two liquid lenses
JP5855793B2 (ja) * 2013-08-22 2016-02-09 オリンパス株式会社 内視鏡用対物光学系
EP3168668A4 (en) * 2014-07-11 2018-03-07 Olympus Corporation Objective optical system
KR20160029591A (ko) * 2014-09-05 2016-03-15 삼성전자주식회사 이너 포커스식 망원 렌즈계 및 이를 포함한 촬영 장치
WO2016067838A1 (ja) * 2014-10-30 2016-05-06 オリンパス株式会社 内視鏡用対物光学系
WO2016084494A1 (ja) * 2014-11-26 2016-06-02 オリンパス株式会社 対物光学系
JP6320949B2 (ja) * 2015-02-13 2018-05-09 富士フイルム株式会社 撮像レンズおよび撮像装置
JP6388842B2 (ja) * 2015-03-16 2018-09-12 富士フイルム株式会社 撮像レンズおよび撮像装置
EP3287828A1 (en) * 2015-04-24 2018-02-28 Olympus Corporation Endoscope objective optical system
WO2016204001A1 (ja) * 2015-06-18 2016-12-22 オリンパス株式会社 内視鏡用対物光学系
CN107111112B (zh) * 2015-06-23 2019-07-05 奥林巴斯株式会社 内窥镜用物镜光学系统

Also Published As

Publication number Publication date
WO2018124248A1 (ja) 2018-07-05
CN109983383A (zh) 2019-07-05
JP6397160B1 (ja) 2018-09-26
US11484187B2 (en) 2022-11-01
JPWO2018124248A1 (ja) 2018-12-27
US20190261833A1 (en) 2019-08-29
CN109983383B (zh) 2021-12-21
DE112017006663T5 (de) 2019-09-26

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