JP5225038B2 - 光走査型内視鏡、光走査型内視鏡プロセッサ、および光走査型内視鏡装置 - Google Patents
光走査型内視鏡、光走査型内視鏡プロセッサ、および光走査型内視鏡装置 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0071—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by measuring fluorescence emission
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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
- A61B1/00064—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
-
- 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
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
- A61B1/00167—Details of optical fibre bundles, e.g. shape or fibre distribution
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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
- A61B1/00163—Optical arrangements
- A61B1/00172—Optical arrangements with means for scanning
-
- 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
- A61B1/00186—Optical arrangements with imaging filters
-
- 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
- A61B1/043—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 for fluorescence imaging
-
- 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
- A61B1/063—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 monochromatic or narrow-band illumination
-
- 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
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
-
- 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
-
- 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
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/103—Scanning systems having movable or deformable optical fibres, light guides or waveguides as scanning elements
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Mechanical Optical Scanning Systems (AREA)
Description
図1は、本発明の第1の実施形態を適用した光走査型内視鏡および光走査型内視鏡プロセッサを有する光走査型内視鏡装置の外観を概略的に示す外観図である。
20 光走査型内視鏡プロセッサ
23 画像信号処理回路
50 光走査型内視鏡
51 挿入管
53 光供給ファイバ
55a、55b 第1、第2の反射光ファイバ
56 ミラー
58 リング状レンズ
59 管空状ガラス
59s 遮光膜
61 ミラー
61h 孔部
61m1、61m2 始点マーカ、切替マーカ
61r 反射面
L1 第1の直線
OA1、OA2 第1、第2の観察対象領域
Claims (11)
- 第1の出射端から観察対象領域に照射するビーム状の照射光を出射する供給光伝達路と、
前記第1の出射端を、照射光の出射方向に対して垂直な方向に変位させる駆動部と、
前記第1の出射端が基準点にあるときの照射光の出射方向である第1の方向に配置され、前記第1の出射端が前記基準点を中心に第1の距離を半径とする第1の円周内にある場合に前記第1の出射端から出射される前記照射光を通過させる通過部が形成され、前記第1の出射端が前記第1の円周の範囲外にある場合に前記第1の方向に延び前記基準点を通る第1の直線から表面までの距離が前記第1の方向に変位するにつれて大きくなり前記第1の出射端から出射される前記照射光を前記第1の直線の周囲の前記観察対象領域に向けて反射する反射面が前記第1の直線の周囲に形成されるミラーとを備える
ことを特徴とする光走査型内視鏡。 - 前記第1の方向に第2の入射端が向くように配置され、前記第1の出射端から出射され前記通過部を通過して照射される前記照射光の前記観察対象領域における反射光または発する光を前記第2の入射端に入射させ、前記第2の入射端に入射した光を第2の出射端に伝達する第1の反射光伝達路と、
前記反射面に反射された前記照明光が照射された前記観察対象領域の一点における反射光または発する光を第3の入射端から第3の出射端に伝達する第2の反射光伝達路と、
前記反射面において反射され前記観察対象領域に到達すること無く前記第3の入射端に到達する前記照射光の前記第3の入射端への入射を防ぐ遮光部とを備える
ことを特徴とする請求項1に記載の光走査型内視鏡。 - 前記通過部は、孔部であることを特徴とする請求項1または請求項2に記載の光走査型内視鏡。
- 前記駆動部は前記第1の出射端近辺において前記供給光伝達路を屈曲させることにより前記第1の出射端を変位させ、
前記第1の出射端が前記第1の円周上にあるときに前記第1の出射端からの前記照射光の出射方向に延びる直線を母線とする円錐台の側面が、前記孔部の内面を形成する
ことを特徴とする請求項3に記載の光走査型内視鏡。 - 前記孔部は前記第1の方向に延びる円筒側面状の内面を有し、前記孔部の内面には前記照射光を吸収する遮光面が形成されることを特徴とする請求項3に記載の光走査型内視鏡。
- 前記通過部と前記反射面との境界に、前記照射光を吸収する切替マーカが設けられることを特徴とする請求項1〜請求項5のいずれか1項に記載の光走査型内視鏡。
- 前記反射面は、前記第1の直線を軸とする円錐台の側面に平行であることを特徴とする請求項1〜請求項6のいずれか1項に記載の光走査型内視鏡。
- 前記反射面上における円錐台の母線に平行に延び、前記照射光を吸収する始点マーカを備えることを特徴とする請求項7に記載の光走査型内視鏡。
- 前記駆動部は、前記出射端を前記基準点を中心とする渦巻き型の変位経路に沿って移動させることを特徴とする請求項1に記載の光走査型内視鏡。
- 請求項1に記載の光走査型内視鏡の供給光伝達路に、前記出射端から出射する前記照射光を供給する光源と、
前記照射光が照射された観察対象領域における反射光または発する光の光量を検出する受光器と、
前記受光器により検出された光量に基づいて、前記観察対象領域の画像を作成する画像信号処理部と、
前記出射端が前記第1の円周内に位置するときに前記第1の方向の観察対象領域の画像である正面画像を前記画像信号処理部に作成させ、前記出射端が前記第1の円周の範囲外に位置するときに前記第1の方向に垂直な方向の観察対象領域の画像である側面画像を前記画像信号処理部に作成させる第1の制御部とを備える
ことを特徴とする光走査型内視鏡プロセッサ。 - 請求項1に記載の光走査型内視鏡と、請求項10に記載の光走査型内視鏡プロセッサとを備えることを特徴とする光走査型内視鏡装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008296143A JP5225038B2 (ja) | 2008-11-19 | 2008-11-19 | 光走査型内視鏡、光走査型内視鏡プロセッサ、および光走査型内視鏡装置 |
US12/619,934 US8226551B2 (en) | 2008-11-19 | 2009-11-17 | Scanning endoscope, scanning endoscope processor, and scanning endoscope apparatus |
DE102009054018.0A DE102009054018B4 (de) | 2008-11-19 | 2009-11-19 | Abtastendoskop, Abtastendoskopprozessor und Abtastendoskopeinrichtung |
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JP2008296143A JP5225038B2 (ja) | 2008-11-19 | 2008-11-19 | 光走査型内視鏡、光走査型内視鏡プロセッサ、および光走査型内視鏡装置 |
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JP2010119607A JP2010119607A (ja) | 2010-06-03 |
JP5225038B2 true JP5225038B2 (ja) | 2013-07-03 |
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JP2008296143A Expired - Fee Related JP5225038B2 (ja) | 2008-11-19 | 2008-11-19 | 光走査型内視鏡、光走査型内視鏡プロセッサ、および光走査型内視鏡装置 |
Country Status (3)
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US (1) | US8226551B2 (ja) |
JP (1) | JP5225038B2 (ja) |
DE (1) | DE102009054018B4 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011036462A (ja) * | 2009-08-12 | 2011-02-24 | Hoya Corp | 医療用観察システム |
CN102469924B (zh) * | 2009-11-06 | 2016-02-10 | 奥林巴斯株式会社 | 内窥镜装置以及内窥镜 |
JP5883683B2 (ja) | 2012-03-02 | 2016-03-15 | Hoya株式会社 | 光走査型内視鏡 |
WO2014054524A1 (ja) * | 2012-10-01 | 2014-04-10 | オリンパス株式会社 | 光ファイバスキャナ |
EP3010389B1 (en) | 2013-06-19 | 2020-08-26 | The General Hospital Corporation | Omni-directional viewing apparatus and method |
WO2016075738A1 (ja) * | 2014-11-10 | 2016-05-19 | オリンパス株式会社 | 光ファイバスキャナ、照明装置および観察装置 |
WO2016077641A1 (en) | 2014-11-12 | 2016-05-19 | Invuity, Inc. | Improved thermally controlled illumination devices |
JP2016214459A (ja) * | 2015-05-18 | 2016-12-22 | オリンパス株式会社 | 走査型内視鏡 |
CA2996370C (en) * | 2015-09-02 | 2023-10-10 | Synaptive Medical (Barbados) Inc. | A forward-imaging optical coherence tomography probe |
JP2018079225A (ja) * | 2016-11-18 | 2018-05-24 | 株式会社日立製作所 | タイムドメイン式octカテーテルシステム及びタイムドメイン式octカテーテルシステムの制御方法 |
EP3536217B1 (en) * | 2018-03-06 | 2021-11-03 | Leica Instruments (Singapore) Pte. Ltd. | Catadioptric medical imaging system for observing the inside wall of a surgical cavity |
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JPH06241760A (ja) * | 1993-02-17 | 1994-09-02 | Hoei:Kk | 円筒内面状態検査カメラ装置 |
JP2605168Y2 (ja) * | 1993-07-07 | 2000-06-26 | 忠清 杉田 | 内視鏡 |
US5940126A (en) * | 1994-10-25 | 1999-08-17 | Kabushiki Kaisha Toshiba | Multiple image video camera apparatus |
JPH10127562A (ja) * | 1996-10-28 | 1998-05-19 | Fuji Photo Film Co Ltd | 蛍光内視鏡 |
US6294775B1 (en) | 1999-06-08 | 2001-09-25 | University Of Washington | Miniature image acquistion system using a scanning resonant waveguide |
US7037258B2 (en) * | 1999-09-24 | 2006-05-02 | Karl Storz Imaging, Inc. | Image orientation for endoscopic video displays |
JP2001174744A (ja) | 1999-10-06 | 2001-06-29 | Olympus Optical Co Ltd | 光走査プローブ装置 |
US6975898B2 (en) * | 2000-06-19 | 2005-12-13 | University Of Washington | Medical imaging, diagnosis, and therapy using a scanning single optical fiber system |
JP3689341B2 (ja) * | 2001-02-16 | 2005-08-31 | オリンパス株式会社 | 内視鏡の撮像ユニット |
US7349098B2 (en) * | 2001-05-07 | 2008-03-25 | University Of Washington | Simultaneous beam-focus and coherence-gate tracking for real-time optical coherence tomography |
US7616986B2 (en) | 2001-05-07 | 2009-11-10 | University Of Washington | Optical fiber scanner for performing multimodal optical imaging |
JP2003050210A (ja) * | 2001-08-07 | 2003-02-21 | Nippon Steel Corp | 管内面診断装置及び管内面診断方法 |
JP3943927B2 (ja) * | 2001-12-25 | 2007-07-11 | オリンパス株式会社 | 光走査型観測装置 |
US7218822B2 (en) * | 2004-09-03 | 2007-05-15 | Chemimage Corporation | Method and apparatus for fiberscope |
US7189961B2 (en) * | 2005-02-23 | 2007-03-13 | University Of Washington | Scanning beam device with detector assembly |
JP4761882B2 (ja) | 2005-08-10 | 2011-08-31 | オプティスキャン ピーティーワイ リミテッド | 走査型共焦点内視鏡システムおよび該システムの画像表示範囲調整方法 |
JP5011532B2 (ja) * | 2007-02-07 | 2012-08-29 | 国立大学法人大阪大学 | 内視鏡アタッチメント |
WO2008111970A1 (en) * | 2007-03-09 | 2008-09-18 | University Of Washington | Side viewing optical fiber endoscope |
US7608842B2 (en) * | 2007-04-26 | 2009-10-27 | University Of Washington | Driving scanning fiber devices with variable frequency drive signals |
-
2008
- 2008-11-19 JP JP2008296143A patent/JP5225038B2/ja not_active Expired - Fee Related
-
2009
- 2009-11-17 US US12/619,934 patent/US8226551B2/en not_active Expired - Fee Related
- 2009-11-19 DE DE102009054018.0A patent/DE102009054018B4/de active Active
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US8226551B2 (en) | 2012-07-24 |
JP2010119607A (ja) | 2010-06-03 |
DE102009054018B4 (de) | 2017-06-22 |
DE102009054018A1 (de) | 2010-08-19 |
US20100125170A1 (en) | 2010-05-20 |
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