JP2015223439A - 曲率センサ、内視鏡装置 - Google Patents
曲率センサ、内視鏡装置 Download PDFInfo
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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
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B1/00002—Operational features of endoscopes
- A61B1/00043—Operational features of endoscopes provided with output arrangements
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- A—HUMAN NECESSITIES
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- A61B1/00064—Constructional details of the endoscope body
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- 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
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Abstract
【解決手段】 曲率センサは、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、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、互いに異なる固有の吸収パターンを有する吸収帯と前記吸収帯中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とを有する複数の被検出部と、前記光源から前記被検出部に照射された前記特徴的吸収帯に対応する帯域の光のうち、前記特徴的吸収帯で吸収されなかった残部光を検出可能な光検出器と、前記残部光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、を有する。
【選択図】図1
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 (13)
- 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、
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、互いに異なる固有の吸収パターンを有する吸収帯と前記吸収帯中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とを有する複数の被検出部と、
前記光源から前記被検出部に照射された前記特徴的吸収帯に対応する帯域の光のうち、前記特徴的吸収帯で吸収されなかった残部光を検出可能な光検出器と、
前記残部光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、
を有する曲率センサ。 - 前記複数の被検出部中の一つの前記被検出部の前記吸収帯の帯域は、前記複数の被検出部中の他の前記被検出部の前記吸収帯の帯域と少なくとも一部で重なる請求項1に記載の曲率センサ。
- 前記複数の被検出部中の一つの被検出部の前記特徴的吸収帯の帯域は、前記複数の被検出部中の他の被検出部の前記特徴的吸収帯の帯域と少なくとも一部で重なっている請求項1又は2に記載の曲率センサ。
- 前記一つの被検出部の前記特徴的吸収帯の光の吸収率は、前記他の被検出部の前記特徴的吸収帯の光の吸収率とは異なる請求項3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る請求項4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5に記載の曲率センサ。 - 前記光検出器は、複数の検出波長帯域を有し、前記複数の検出波長帯域のうちの一つは、前記複数の検出波長帯域のうちの他の検出波長帯域の一部と重なる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、前記複数の被検出部の前記特徴的吸収帯のすべてに対応する検出波長帯域を有する請求項1に記載の曲率センサ。
- 前記光源は、前記特徴的吸収帯の一部を含む光を照射する請求項1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、誘電体膜であり、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5に記載の曲率センサ。 - 前記複数の被検出部中の一つの被検出部の前記特徴的吸収帯は、前記複数の被検出部中の他の被検出部の前記特徴的吸収帯と波長帯域が重なる請求項10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、
波長の異なる複数種類の光を時間差で照射することが可能な光源と、
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、互いに異なる固有の吸収パターンを有する吸収帯と前記吸収帯中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とを有する複数の被検出部と、
前記複数の被検出部のそれぞれが有する前記特徴的吸収帯のすべてに対応するとともに、前記光源から前記被検出部に照射された前記特徴的吸収帯に対応する帯域の光のうち、前記特徴的吸収帯で吸収されなかった残部光を検出可能な検出波長帯域を有する光検出器と、
前記残部光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、
を有する曲率センサ。 - 請求項1から12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 |
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JP2014111697A JP6322483B2 (ja) | 2014-05-29 | 2014-05-29 | 曲率センサ、内視鏡装置 |
PCT/JP2015/064610 WO2015182479A1 (ja) | 2014-05-29 | 2015-05-21 | 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 |
US15/363,171 US10016120B2 (en) | 2014-05-29 | 2016-11-29 | Curvature sensor and endoscope apparatus |
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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 |
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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JP2008173397A (ja) * | 2007-01-22 | 2008-07-31 | Olympus Corp | 内視鏡システム |
WO2010050526A1 (ja) * | 2008-10-28 | 2010-05-06 | オリンパスメディカルシステムズ株式会社 | 医療機器 |
JP2011056280A (ja) * | 2010-11-08 | 2011-03-24 | Olympus Corp | 内視鏡形状検出装置 |
WO2012137846A1 (ja) * | 2011-04-05 | 2012-10-11 | オリンパス株式会社 | 光学式曲がり測定装置 |
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JP6322483B2 (ja) | 2018-05-09 |
CN106413513B (zh) | 2019-04-05 |
DE112015002537T5 (de) | 2017-02-09 |
CN106413513A (zh) | 2017-02-15 |
WO2015182479A1 (ja) | 2015-12-03 |
US10016120B2 (en) | 2018-07-10 |
US20170071448A1 (en) | 2017-03-16 |
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