JP7229142B2 - 内視鏡及び内視鏡装置 - Google Patents
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- A—HUMAN NECESSITIES
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- 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
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- 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
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- 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
- A61B1/00002—Operational features of endoscopes
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00045—Display arrangement
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- 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
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- A—HUMAN NECESSITIES
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- 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
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- 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
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- 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
- A61B1/0607—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 for annular illumination
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- 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
- A61B1/0623—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 for off-axis illumination
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- 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
- A61B1/0625—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 for multiple fixed illumination angles
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- 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
- A61B1/0638—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 providing two or more wavelengths
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- 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
- A61B1/0646—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 with illumination filters
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- 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
- A61B1/0655—Control therefor
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- 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
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- 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
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
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- 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
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- 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
- G02B23/26—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides
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Description
(実施の形態1)
図1は、内視鏡の外観図である。図示の如く内視鏡1は、挿入管2、操作部3、ユニバーサルチューブ4及びコネクタ部5を備えている。挿入管2は、体腔内に挿入される部分であり、長尺の軟性部20と、該軟性部20の一端に湾曲部21を介して連結された先端部22とを備える。軟性部20の他端は、円筒形の連結部23を介して操作部3に連結されている。ユニバーサルチューブ4は、操作部3に一端を連結され挿入管2と異なる向きに延びており、コネクタ部5は、ユニバーサルチューブ4の他端に連設されている。
図8は、実施の形態2に係る内視鏡の挿入管の先端部の拡大図であり、実施の形態1における図2に相当する。実施の形態2は、照明部7の構成以外は実施の形態1と同様であり、対応する構成要素に図2と同一の参照符号を付して説明を省略する。
図10は、実施の形態3に係る内視鏡の挿入管の先端部の拡大図であり、実施の形態1における図2及び実施の形態2における図8に相当する。
実施の形態4は、実施の形態3と光源部8の構成が相違する。図12は、実施の形態4に係る光源部8の構成例を示す模式図である。本図に示す光源部8は、単一の光源86を備える。光源86は、ライトガイドファイバ75の入射端に同一の光軸上で正対させてあり、白色光を発光する。光源88とライトガイドファイバ75との間の光軸上には、実施の形態3と同様、コリメートレンズ83及び集光レンズ84が、この順に並べて配してある。
2 挿入管
6 撮像部
7 照明部
8 光源部
22 先端部
25 観察窓
26 配光レンズ
71 第1のLED(第1の発光素子)
72 第2のLED(第2の発光素子)
73 光ファイバ束
74 LED(発光素子)
75 ライトガイドファイバ
80 第1光源
81 第2光源
Claims (7)
- 挿入管の先端部に組み込まれ、観察窓を通して観察箇所を撮像する撮像部と、
前記撮像部の外側に並設された複数の第1の発光素子と、
前記第1の発光素子の並設域の外側に並設された複数の第2の発光素子と、
前記観察窓の周囲に配設され、前記第1の発光素子及び第2の発光素子の並設域を覆う配光レンズとを備え、
前記第1の発光素子と前記配光レンズとは、前記観察窓の周囲に配設され、前記観察箇所を照明する第1の照明光を出力する第1光出力部を構成し、
前記第2の発光素子と前記配光レンズとは、前記観察窓の周囲に配設され、前記観察箇所を照明する第2の照明光を前記第1光出力部よりも大きい角度範囲に出力する第2光出力部を構成し、
前記第1の照明光は、狭帯域光であり、
前記第2の照明光は、白色光である
内視鏡。 - 挿入管の先端部に組み込まれ、観察窓を通して観察箇所を撮像する撮像部と、
前記撮像部の外側に並設されており、光源から入射端に入射した光を出射する複数の出射端を有するライトガイドファイバと、
前記出射端の並設域の外側に並設された複数の発光素子と、
前記観察窓の周囲に配設され、前記出射端及び発光素子の並設域を覆う配光レンズとを備え、
前記ライトガイドファイバと前記配光レンズとは、前記観察窓の周囲に配設され、前記光源から前記入射端に入射した光により前記観察箇所を照明する第1の照明光を出力する第1光出力部を構成し、
前記発光素子と前記配光レンズとは、前記観察窓の周囲に配設され、前記観察箇所を照明する第2の照明光を前記第1光出力部よりも大きい角度範囲に出力する第2光出力部を構成し、
前記第1の照明光は、狭帯域光であり、
前記第2の照明光は、白色光である
内視鏡。 - 前記第2光出力部による前記第2の照明光の角度範囲は、前記撮像部の視野角以上である請求項1または請求項2に記載の内視鏡。
- 前記撮像部は、180°以上の視野角を有する請求項1から請求項3のいずれか1つに記載の内視鏡。
- 挿入管の先端部に組み込まれ、観察窓を通して観察箇所を撮像する撮像部と、前記撮像部の外側に並設された複数の第1の発光素子と、前記第1の発光素子の並設域の外側に並設された複数の第2の発光素子と、前記観察窓の周囲に配設され、前記第1の発光素子及び第2の発光素子の並設域を覆う配光レンズとを備え、前記第1の発光素子と前記配光レンズとは、前記観察窓の周囲に配設され、前記観察箇所を照明する第1の照明光を出力する第1光出力部を構成し、前記第2の発光素子と前記配光レンズとは、前記観察窓の周囲に配設され、前記観察箇所を照明する第2の照明光を前記第1光出力部よりも大きい角度範囲に出力する第2光出力部を構成し、前記第1の照明光は、狭帯域光であり、前記第2の照明光は、白色光である内視鏡と、
前記第1光出力部又は第2光出力部による照明下での前記撮像部の撮像画像を周縁部をマスク処理して出力する画像処理部とを備える
内視鏡装置。 - 挿入管の先端部に組み込まれ、観察窓を通して観察箇所を撮像する撮像部と、前記撮像部の外側に並設されており、光源から入射端に入射した光を出射する複数の出射端を有するライトガイドファイバと、前記出射端の並設域の外側に並設された複数の発光素子と、前記観察窓の周囲に配設され、前記出射端及び発光素子の並設域を覆う配光レンズとを備え、前記ライトガイドファイバと前記配光レンズとは、前記観察窓の周囲に配設され、前記光源から前記入射端に入射した光により前記観察箇所を照明する第1の照明光を出力する第1光出力部を構成し、前記発光素子と前記配光レンズとは、前記観察窓の周囲に配設され、前記観察箇所を照明する第2の照明光を前記第1光出力部よりも大きい角度範囲に出力する第2光出力部を構成し、前記第1の照明光は、狭帯域光であり、前記第2の照明光は、白色光である内視鏡と、
前記第1光出力部又は第2光出力部による照明下での前記撮像部の撮像画像を周縁部をマスク処理して出力する画像処理部とを備える
内視鏡装置。 - 前記第1光出力部による照明下での撮像画像又は第2光出力部による照明下での撮像画
像を交互に取得し、並べて表示させる請求項5または請求項6に記載の内視鏡装置。
Priority Applications (5)
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JP2019185359A JP7229142B2 (ja) | 2019-10-08 | 2019-10-08 | 内視鏡及び内視鏡装置 |
US17/615,728 US20220240768A1 (en) | 2019-10-08 | 2020-09-25 | Endoscope and endoscopic device |
PCT/JP2020/036292 WO2021070634A1 (ja) | 2019-10-08 | 2020-09-25 | 内視鏡及び内視鏡装置 |
DE112020004901.9T DE112020004901T5 (de) | 2019-10-08 | 2020-09-25 | Endoskop und endoskopvorrichtung |
CN202080032595.2A CN113766867B (zh) | 2019-10-08 | 2020-09-25 | 内窥镜及内窥镜装置 |
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Citations (10)
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JP3285217B2 (ja) * | 1992-04-16 | 2002-05-27 | オリンパス光学工業株式会社 | 内視鏡装置 |
JP5297288B2 (ja) * | 2009-07-17 | 2013-09-25 | 三菱重工業株式会社 | 衝撃吸収構造体 |
JP6190906B2 (ja) | 2013-01-10 | 2017-08-30 | 富士フイルム株式会社 | 撮像モジュール、及び内視鏡装置 |
JP6192398B2 (ja) | 2013-07-09 | 2017-09-06 | オリンパス株式会社 | 照明装置 |
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2019
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- 2020-09-25 DE DE112020004901.9T patent/DE112020004901T5/de active Pending
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JP2001258823A (ja) | 2000-03-14 | 2001-09-25 | Olympus Optical Co Ltd | 内視鏡 |
JP2004321244A (ja) | 2003-04-21 | 2004-11-18 | Olympus Corp | 電子内視鏡システム |
JP2005073708A (ja) | 2003-08-29 | 2005-03-24 | Pentax Corp | 電子内視鏡 |
JP2006034543A (ja) | 2004-07-26 | 2006-02-09 | Olympus Corp | 内視鏡、及びその修理方法 |
JP2009219573A (ja) | 2008-03-14 | 2009-10-01 | Fujinon Corp | 内視鏡用画像処理装置及び内視鏡用画像処理方法 |
JP2011024901A (ja) | 2009-07-28 | 2011-02-10 | Hoya Corp | 電子内視鏡システムおよび調光信号補正方法 |
JP2012075562A (ja) | 2010-09-30 | 2012-04-19 | Fujifilm Corp | 内視鏡用光源装置 |
JP2016202441A (ja) | 2015-04-20 | 2016-12-08 | 富士フイルム株式会社 | 内視鏡用光源装置、およびこれを用いた内視鏡システム |
WO2016203626A1 (ja) | 2015-06-18 | 2016-12-22 | オリンパス株式会社 | 内視鏡システムおよび照明装置 |
JP2019130049A (ja) | 2018-01-31 | 2019-08-08 | Hoya株式会社 | 電子内視鏡システム、プロセッサ及び制御方法 |
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CN113766867B (zh) | 2024-03-19 |
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