JP6322483B2 - 曲率センサ、内視鏡装置 - Google Patents
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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
- A61B1/005—Flexible endoscopes
-
- 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
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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
- A61B1/00002—Operational features of endoscopes
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00045—Display arrangement
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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
- A61B1/00064—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
- A61B1/00091—Nozzles
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- A—HUMAN NECESSITIES
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- 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
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- A—HUMAN NECESSITIES
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- 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
- A61B1/005—Flexible endoscopes
- A61B1/009—Flexible endoscopes with bending or curvature detection of the insertion part
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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
- A61B1/012—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 characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
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- A—HUMAN NECESSITIES
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- 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
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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
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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
- A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
- A61B5/065—Determining position of the probe employing exclusively positioning means located on or in the probe, e.g. using position sensors arranged on the probe
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- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
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- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
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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
Description
図1は本発明の内視鏡装置の全体構成図を示す。図1に示すように、内視鏡装置11は、内視鏡12と、コントローラ13(制御装置)と、光源装置14(第1光源)と、画像撮影装置15と、送気・送水・吸引装置16と、キーボード17と、モニタ18と、アクチュエータ部21と、曲率センサ22と、を有する。
図27、図28を参照して、第2実施形態の内視鏡装置について説明する。第2実施形態の内視鏡装置11は、曲率センサ22の第2光源32の構成が異なる点で、第1実施形態のものと異なっているが、他の部分は第1実施形態と共通している。このため、主として第1実施形態と異なる部分について説明し、第1実施形態と共通する部分については図示或いは説明を省略する。
Claims (10)
- 可撓性のある線状の検出対象に沿って設けられ、前記検出対象の曲率を検出可能な曲率センサであって、
所定の波長帯域の光を発生する光源と、
前記検出対象に沿って設けられ、前記光源からの光を導光する導光部材と、
前記導光部材の長手方向に沿った複数個所に設けられた光吸収性のある複数の被検出部であって、各被検出部は、前記波長帯域において、互いに異なる固有の吸収パターンを有する吸収スペクトル特性を有し、前記波長帯域には、各被検出部の前記吸収スペクトル特性における固有の特徴的吸収パターンを有する特徴的吸収帯が含まれる、複数の被検出部と、
前記光源から前記導光部材で導光されて前記被検出部を通過した光を受光して、前記特徴的吸収帯を含む検出波長帯域における光を検出する光検出器と、
前記光検出器で検出した光の強度の変化率に基づいて前記検出対象の曲率を演算する演算部と、
を有し、
前記波長帯域に含まれる前記特徴的吸収帯の数は、前記被検出部の数以上であり、
各特徴的吸収帯では、各被検出部が、所定以上であって互いに異なる光吸収率を有する、曲率センサ。 - 前記複数の被検出部中の一つの被検出部の前記吸収スペクトル特性は、前記波長帯域のうち前記特徴的吸収帯以外で前記複数の被検出部中の他の被検出部の前記吸収スペクトル特性と同じ部分を有する、請求項1に記載の曲率センサ。
- 前記光検出器は、複数の検出波長領域からなる前記検出波長帯域を有し、
前記複数の検出波長領域のうちの一つは、前記複数の検出波長領域のうちの他の検出波長領域の一部と重なる部分を有する、請求項1又は2に記載の曲率センサ。 - 前記光源は、前記特徴的吸収帯の波長成分の一部を少なくとも含む光を照射する、請求項1乃至3のいずれか1項に記載の曲率センサ。
- 前記光源は、前記特徴的吸収帯の全波長成分において略均一な光強度を有する前記波長帯域の光を発光する、請求項4に記載の曲率センサ。
- 前記被検出部は、色素を含有する樹脂、誘電体膜、および前記色素を含有する樹脂と前記誘電体膜との組み合わせ、のいずれかで構成されている、請求項1乃至5のいずれか1項に記載の曲率センサ。
- 前記導光部材は、
コアと、
前記コアを取り囲むとともに、前記複数の被検出部を収納した複数の収納部を前記導光部材の長手方向に沿った複数個所に含んだクラッドと、
を有し、
前記被検出部は、色素を含有する樹脂を含み、
前記色素を含有する樹脂は、前記クラッドと同等の柔軟性を有する、請求項1乃至5のいずれか1項に記載の曲率センサ。 - 前記導光部材は、
コアと、
前記コアを取り囲むとともに、前記複数の被検出部を収納した複数の収納部を前記導光部材の長手方向に沿った複数個所に含んだクラッドと、
を有し、
前記被検出部は、誘電体膜を含み、当該誘電体膜には、前記コアに接する面とは反対側の面に前記コアよりも屈折率が高い部材が密着される、請求項1乃至5のいずれか1項に記載の曲率センサ。 - 可撓性のある線状の検出対象に沿って設けられ、前記検出対象の曲率を検出可能な曲率センサであって、
波長帯域の異なる複数種類の光を時間差で照射する光源と、
前記検出対象に沿って設けられ、前記光源からの光を導光する導光部材と、
前記導光部材の長手方向に沿った複数個所に設けられた光吸収性のある複数の被検出部であって、各被検出部は、前記波長帯域において、互いに異なる固有の吸収パターンを有する吸収スペクトル特性を有し、前記波長帯域には、各被検出部の前記吸収スペクトル特性における固有の特徴的吸収パターンを有する特徴的吸収帯が含まれる、複数の被検出部と、
前記光源から前記導光部材を導光されて前記被検出部を通過した光を受光して、前記特徴的吸収帯を含む検出波長帯域における光を検出可能な光検出器と、
前記光検出器で検出した光の強度の変化率に基づいて前記検出対象の曲率を演算する演算部と、
を有し、
前記波長帯域に含まれる前記特徴的吸収帯の数は、前記被検出部の数以上であり、
各特徴的吸収帯では、各被検出部が、所定以上であって互いに異なる光吸収率を有する、曲率センサ。 - 請求項1から9のいずれか1項に記載の曲率センサと、
前記曲率センサによって曲率が検出される前記検出対象である挿入部と、
を備えた内視鏡装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014111697A JP6322483B2 (ja) | 2014-05-29 | 2014-05-29 | 曲率センサ、内視鏡装置 |
CN201580028417.1A CN106413513B (zh) | 2014-05-29 | 2015-05-21 | 曲率传感器、内窥镜装置 |
DE112015002537.5T DE112015002537T5 (de) | 2014-05-29 | 2015-05-21 | Krümmungssensor und Endoskopvorrichtung |
PCT/JP2015/064610 WO2015182479A1 (ja) | 2014-05-29 | 2015-05-21 | 曲率センサ、内視鏡装置 |
US15/363,171 US10016120B2 (en) | 2014-05-29 | 2016-11-29 | Curvature sensor and endoscope apparatus |
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JP2014111697A JP6322483B2 (ja) | 2014-05-29 | 2014-05-29 | 曲率センサ、内視鏡装置 |
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JP2015223439A JP2015223439A (ja) | 2015-12-14 |
JP6322483B2 true JP6322483B2 (ja) | 2018-05-09 |
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US (1) | US10016120B2 (ja) |
JP (1) | JP6322483B2 (ja) |
CN (1) | CN106413513B (ja) |
DE (1) | DE112015002537T5 (ja) |
WO (1) | WO2015182479A1 (ja) |
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JP6188564B2 (ja) * | 2013-12-19 | 2017-08-30 | オリンパス株式会社 | 挿入装置 |
WO2017175314A1 (ja) * | 2016-04-05 | 2017-10-12 | オリンパス株式会社 | 湾曲情報導出装置及び内視鏡システム |
CN110095086A (zh) * | 2019-06-03 | 2019-08-06 | 呜啦啦(广州)科技有限公司 | 电流式双向弯曲传感器及其制备方法 |
DE102020113731B4 (de) * | 2020-05-20 | 2024-02-08 | FiberBridge Photonics GmbH | Glasfaser und Glasfaserprodukt |
CN114279365B (zh) * | 2021-12-21 | 2024-02-02 | 浙江贝盛光伏股份有限公司 | 一种光伏组件弯曲测量系统及方法 |
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GB8704540D0 (en) * | 1987-02-26 | 1987-04-01 | Bicc Plc | Optical sensors |
JP4454747B2 (ja) * | 1999-12-21 | 2010-04-21 | オリンパス株式会社 | 内視鏡挿入形状検出装置 |
JP2004361285A (ja) * | 2003-06-05 | 2004-12-24 | Hitachi Cable Ltd | 角度センサ及びそれを用いた管路計測装置 |
JP4714570B2 (ja) | 2005-11-24 | 2011-06-29 | Hoya株式会社 | 内視鏡形状検出プローブ |
JP2008173397A (ja) * | 2007-01-22 | 2008-07-31 | Olympus Corp | 内視鏡システム |
JP4759654B2 (ja) * | 2008-10-28 | 2011-08-31 | オリンパスメディカルシステムズ株式会社 | 医療機器 |
JP5160619B2 (ja) * | 2010-11-08 | 2013-03-13 | オリンパス株式会社 | 内視鏡形状検出装置 |
JP6091052B2 (ja) * | 2011-04-05 | 2017-03-08 | オリンパス株式会社 | 光学式曲がり測定装置 |
JP6234005B2 (ja) * | 2012-01-25 | 2017-11-22 | オリンパス株式会社 | ファイバセンサ |
JP6274775B2 (ja) * | 2013-08-09 | 2018-02-07 | オリンパス株式会社 | 光学式センサシステムと、光学式センサシステムを有する内視鏡 |
JP2015223440A (ja) * | 2014-05-29 | 2015-12-14 | オリンパス株式会社 | 多点検出ファイバセンサ及び多点検出ファイバセンサを備えた挿入装置 |
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2014
- 2014-05-29 JP JP2014111697A patent/JP6322483B2/ja active Active
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2015
- 2015-05-21 WO PCT/JP2015/064610 patent/WO2015182479A1/ja active Application Filing
- 2015-05-21 DE DE112015002537.5T patent/DE112015002537T5/de not_active Ceased
- 2015-05-21 CN CN201580028417.1A patent/CN106413513B/zh active Active
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CN106413513A (zh) | 2017-02-15 |
US20170071448A1 (en) | 2017-03-16 |
DE112015002537T5 (de) | 2017-02-09 |
CN106413513B (zh) | 2019-04-05 |
WO2015182479A1 (ja) | 2015-12-03 |
JP2015223439A (ja) | 2015-12-14 |
US10016120B2 (en) | 2018-07-10 |
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