WO2008111386A1 - 内視鏡対物光学系 - Google Patents

内視鏡対物光学系 Download PDF

Info

Publication number
WO2008111386A1
WO2008111386A1 PCT/JP2008/053239 JP2008053239W WO2008111386A1 WO 2008111386 A1 WO2008111386 A1 WO 2008111386A1 JP 2008053239 W JP2008053239 W JP 2008053239W WO 2008111386 A1 WO2008111386 A1 WO 2008111386A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical system
objective optical
endoscope objective
refractivity
lens
Prior art date
Application number
PCT/JP2008/053239
Other languages
English (en)
French (fr)
Inventor
Hideyashu Takatou
Original Assignee
Olympus Medical Systems Corp.
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 Medical Systems Corp. filed Critical Olympus Medical Systems Corp.
Priority to DE112008000632T priority Critical patent/DE112008000632T5/de
Priority to US12/527,931 priority patent/US7978423B2/en
Publication of WO2008111386A1 publication Critical patent/WO2008111386A1/ja

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
    • A61B1/00163—Optical arrangements
    • A61B1/00188—Optical arrangements with focusing or zooming features
    • 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

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Astronomy & Astrophysics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Lenses (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Endoscopes (AREA)

Abstract

　対物光学系において、物体側から順に、屈折力が負正の並びとなる２つのレンズを有する第一群と、絞りと、正の屈折力を持つ第二群とで構成され、次の条件式を満足する。 　　３．０＜ｆｂ／ｆＬ 　但し、ｆｂは空気中での対物光学系のバックフォーカス、ｆＬは対物光学系全系の焦点距離である。
PCT/JP2008/053239 2007-03-09 2008-02-26 内視鏡対物光学系 WO2008111386A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112008000632T DE112008000632T5 (de) 2007-03-09 2008-02-26 Objektiv-optisches System für Endoskope
US12/527,931 US7978423B2 (en) 2007-03-09 2008-02-26 Objective optical system for endoscopes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-060145 2007-03-09
JP2007060145A JP4675348B2 (ja) 2007-03-09 2007-03-09 対物光学系

Publications (1)

Publication Number Publication Date
WO2008111386A1 true WO2008111386A1 (ja) 2008-09-18

Family

ID=39759328

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053239 WO2008111386A1 (ja) 2007-03-09 2008-02-26 内視鏡対物光学系

Country Status (4)

Country Link
US (1) US7978423B2 (ja)
JP (1) JP4675348B2 (ja)
DE (1) DE112008000632T5 (ja)
WO (1) WO2008111386A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104246573A (zh) * 2013-02-22 2014-12-24 奥林巴斯医疗株式会社 内窥镜用物镜光学系统及摄像装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5031930B2 (ja) * 2009-12-24 2012-09-26 オリンパスメディカルシステムズ株式会社 内視鏡用対物レンズ及びそれを用いた内視鏡
JP5687572B2 (ja) * 2011-06-14 2015-03-18 オリンパス株式会社 結像光学系及びそれを備えた内視鏡装置
CN102920425B (zh) * 2012-10-15 2014-09-17 浙江大学 三维腹腔镜光学系统
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
JP6692290B2 (ja) * 2016-12-28 2020-05-13 株式会社タムロン 光学系及び撮像装置
JP7208253B2 (ja) * 2018-09-28 2023-01-18 ｉ－ＰＲＯ株式会社 内視鏡
JP7104854B2 (ja) * 2019-04-10 2022-07-21 オリンパス株式会社 内視鏡対物光学系及び内視鏡

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000039553A (ja) * 1998-07-23 2000-02-08 Fuji Photo Optical Co Ltd バックフォーカスの長い広角レンズ
JP2000047101A (ja) * 1998-07-27 2000-02-18 Nikon Corp バックフォーカスの長いレンズ系
JP2003222793A (ja) * 2002-01-29 2003-08-08 Fuji Photo Optical Co Ltd 撮像レンズおよび撮像装置
JP2006521584A (ja) * 2003-03-28 2006-09-21 スリーエム イノベイティブ プロパティズ カンパニー 画素パネルと組合せて用いるための少ない素子数の投影レンズ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10260347A (ja) 1997-03-19 1998-09-29 Fuji Photo Optical Co Ltd 内視鏡用対物レンズ
JPH10260348A (ja) 1997-03-19 1998-09-29 Fuji Photo Optical Co Ltd 内視鏡用対物レンズ
JP4274602B2 (ja) 1998-09-11 2009-06-10 オリンパス株式会社 対物光学系
JP2005148508A (ja) 2003-11-18 2005-06-09 Fujinon Corp 内視鏡用対物レンズ
JP4823641B2 (ja) * 2005-10-19 2011-11-24 富士フイルム株式会社 投写レンズおよびこれを用いた投写型表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000039553A (ja) * 1998-07-23 2000-02-08 Fuji Photo Optical Co Ltd バックフォーカスの長い広角レンズ
JP2000047101A (ja) * 1998-07-27 2000-02-18 Nikon Corp バックフォーカスの長いレンズ系
JP2003222793A (ja) * 2002-01-29 2003-08-08 Fuji Photo Optical Co Ltd 撮像レンズおよび撮像装置
JP2006521584A (ja) * 2003-03-28 2006-09-21 スリーエム イノベイティブ プロパティズ カンパニー 画素パネルと組合せて用いるための少ない素子数の投影レンズ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104246573A (zh) * 2013-02-22 2014-12-24 奥林巴斯医疗株式会社 内窥镜用物镜光学系统及摄像装置
CN104246573B (zh) * 2013-02-22 2016-10-12 奥林巴斯株式会社 内窥镜用物镜光学系统及摄像装置

Also Published As

Publication number Publication date
JP2008224842A (ja) 2008-09-25
US20100046093A1 (en) 2010-02-25
DE112008000632T5 (de) 2010-01-28
JP4675348B2 (ja) 2011-04-20
US7978423B2 (en) 2011-07-12

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