JP4672031B2 - 医療器具 - Google Patents
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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
- A61B1/012—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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- A61B1/00064—Constructional details of the endoscope body
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Description
以下、図面を参照して本発明の第1の実施の形態の医療器具である内視鏡装置1について説明する。
最初に、図1および図2を用いて、本実施の形態にかかる内視鏡装置1を説明する。図1は、本実施の形態にかかる内視鏡装置1の構成図であり、図2は、本実施の形態にかかる電動内視鏡2の先端部12の断面図である。内視鏡装置1は、被検体内VAに挿入する細長い挿入部10の先端部12に能動湾曲部11を有する電動内視鏡2と、術者が能動湾曲部11の操作を入力する入力手段であるジョイスティック40と、能動湾曲部11を駆動する駆動手段である駆動部4と、ジョイスティック40と駆動部4とを制御する制御手段である制御部30とを具備し、挿入部10は処置具5が、基端部側の処置具挿入口13から挿通され、先端部12の処置具突出口14から突出するチャンネルを有している。そして、能動湾曲部11は、処置具突出口14よりも基端部側に配設されている。
ここで、式1において、Kは後述する湾曲速度に関するパラメータであり、パラメータが異なる制御モードは、互いに異なる制御モードである。
以下、図4、図5および図6を用いて、内視鏡装置1の制御部30の動作を詳細に説明する。図5は、内視鏡装置1の構成を示すブロック図であり、図6は、制御部30の動作の流れを説明するためのフローチャートである。
操作入力部であるジョイスティック40のレバー40Aが術者により、θαだけ傾けられることで、ジョイスティック40から操作信号が制御部30に入力される。
突出検出手段であるスイッチ16は、処置具5の処置具突出口14からの突出の有無を検出して、検出情報を制御部30に出力する。内視鏡装置1の制御部30は、前記検出情報に基づいて、2つの制御モードA1およびA2から、いずれかの制御モードを選択する。
処置具5が処置具突出口14から突出しているという検出情報の場合には、内視鏡装置1の制御部30は、前記検出情報に基づいて、制御モードA2を選択する。ここで、制御モードA2とは、図4(C)に示すように、湾曲速度に関するパラメータKが、1/2すなわち0.5の制御モードであり、ここでは処置モードとよぶ。処置モードとは、処置時の制御モードである。処置モードでは、制御部30は、駆動速度信号Vα2として、以下の信号を出力する。
<ステップS13>
処置具5が処置具突出口14から突出していないという検出情報の場合には、内視鏡装置1の制御部30は、前記検出情報に基づいて、制御モードA1を選択する。ここで、制御モードA1とは、図4(B)に示すように、湾曲速度に関するパラメータKが、1の制御モードであり、ここでは挿入モードとよぶ。すなわち、挿入モードは、挿入部10の挿入時時の制御モードである。挿入モードでは、制御部30は、駆動速度信号Vα1として、以下の信号を出力する。
<ステップS14>
内視鏡装置1の制御部30は、駆動速度信号Vα1またはVα2を、駆動部に出力する。上記のように、Vα2=0.5×Vα、であり、処置具5が処置具突出口14からの突出している場合の駆動速度信号Vα2による駆動速度は、突出していない場合の駆動速度信号Vα1による駆動速度の半分であり、言い換えれば、処置モードのジョイスティック40の移動速度の入力分解能は、挿入モードの時の2倍である。
制御部30は、操作終了で無い場合は、ステップS10からの処理を繰り返す。
以下、図面を参照して本発明の第2の実施の形態の医療器具である内視鏡装置1Bについて説明する。本実施の形態の内視鏡装置1Bの基本構成は、第1の実施の形態の内視鏡装置1と、ほぼ同じであるため、同じ構成要素には同じ符号を付し説明は省略する。
操作入力部であるジョイスティック40のレバー40Aが術者により、θαだけ傾けられることで、操作信号が制御部30に入力される。
突出量検出手段であるエンコーダ16Bは、処置具5の処置具突出口14からの突出量を検出して、検出情報が制御部30に入力される。
内視鏡装置1Bの制御部30は、前記検出情報に基づいて、3つの制御モードB1、B2、B3から、いずれかの制御モードを選択する。
処置具5が処置具突出口14からの突出していない、すなわち突出量d≦0の検出情報の場合には、内視鏡装置1Bの制御部30は、前記検出情報に基づいて、制御モードB1を選択する。
タKが、1の制御モードである。このため、内視鏡装置1Bの制御部30は、駆動速度信
号Vβ1として、以下の信号を出力する。
<ステップS24>
処置具5が処置具突出口14からの突出しており、突出量dが、0<d<50mmの検出情報の場合には、内視鏡装置1Bの制御部30は、前記検出情報に基づいて、制御モードB2を選択する。
ここで、f(d)とは、例えば、図10に示すように、d=0の時はK=0.5であり、D=50mmの時は、K=0.25であり、0<d<50mmの範囲のKは前記2点を結ぶ直線で表される線形関数である。すなわち、Kは突出量dの増加につれて、小さくなる。
処置具5が処置具突出口14からの突出量dが、d≧50mmの検出情報の場合には、内視鏡装置1Bの制御部30は、前記検出情報に基づいて、制御モードB3を選択する。
<ステップS26>
内視鏡装置1Bの制御部30は、駆動速度信号Vβ1、Vβ2またはVβ3を、駆動部4に出力する。上記のように、0.5×Vα<Vβ2<0.25×Vα、またはVβ3=0.25×Vα、である。このため、駆動部4の駆動速度は、処置具5が処置具突出口14からの突出量dが大きくなるに従い、遅くなるか、少なくとも一定である。
制御部30は、操作終了で無い場合は、ステップS20からの処理を繰り返す。
以下、図面を参照して本発明の第3の実施の形態の医療器具である内視鏡装置1Cについて説明する。本実施の形態の内視鏡装置1Cの基本構成は、第1の実施の形態の内視鏡装置1と、ほぼ同じであるため、同じ構成要素には同じ符号を付し説明は省略する。
処置具挿入口13から、処置具A、BまたはCが、電動内視鏡2Cのチャンネルに挿通されると、ICタグ検出部16Cは、その処置具の種類を検出し、処置具種類情報として制御部30に出力する。
操作入力部であるジョイスティック40のレバー40Aが術者により、θαだけ傾けられることで、操作信号が制御部30に入力される。
突出検出手段であるスイッチ16は、処置具5の処置具突出口14からの突出の有無を検出して、検出情報を制御部30に出力する。制御部30は、前記突出検出情報に基づいて、制御モードを選択する。
処置具5が処置具突出口14からの突出していないという検出情報の場合には、内視鏡装置1Cの制御部30は、前記検出情報に基づいて、制御モードC1を選択する。C1は、湾曲速度に関するパラメータKが、1の制御モードである。
処置具5が処置具突出口14からの突出している突出検出情報の場合には、内視鏡装置1Cの制御部30は、前記処置具種類情報に基づいて、制御モードC2、C3、C4のいずれかを選択する。すなわち、処置具種類情報が、処置具Aの場合には、内視鏡装置1Cの制御部30は、制御モードC2を選択する。C2は、湾曲速度に関するパラメータKが、0.75の制御モードである。
処置具種類情報が、処置具Bの場合には、内視鏡装置1Cの制御部30は、制御モードC3を選択する。C3は、湾曲速度に関するパラメータKが、0.50の制御モードである。
処置具種類情報が、処置具Cの場合には、内視鏡装置1Cの制御部30は、制御モードC4を選択する。C4は、湾曲速度に関するパラメータKが、0.25の制御モードである。
制御部30は、それぞれの制御モードの駆動速度信号を、駆動部に出力する。
制御部30は、操作終了で無い場合は、ステップS10からの処理を繰り返す。
以下、本発明の第3の実施の形態の変形例1の医療器具である内視鏡装置1C1について説明する。本変形例の内視鏡装置1C1の基本構成は、第3の実施の形態の内視鏡装置1Cと、ほぼ同じであるため、同じ部分の説明は省略する。
以下、本発明の第3の実施の形態の変形例2の医療器具である内視鏡装置1C2について説明する。本変形例の内視鏡装置1C2の基本構成は、第3の実施の形態の内視鏡装置1Cと、ほぼ同じであるため、同じ部分の説明は省略する。
以下、図面を参照して本発明の第2の実施の形態の医療器具である内視鏡装置1Dについて説明する。本実施の形態の内視鏡装置1Dの基本構成は、第1の実施の形態の内視鏡装置1と、ほぼ同じであるため、同じ構成要素には同じ符号を付し説明は省略する。
そして、どのような比例ゲインKpの操作信号を出力するかというジョイスティック40の制御モードの選択を、制御部30が行っている。
以下、図面を参照して本発明の第4の実施の形態の変形例の医療器具である内視鏡装置1D1について説明する。本変形例1の内視鏡装置1D1の基本構成は、第4の実施の形態の内視鏡装置1Dと、ほぼ同じであるため、同じ構成要素には同じ符号を付与し、説明は省略する。
以下、図面を参照して本発明の第5の実施の形態の医療器具である内視鏡装置1Eについて説明する。本実施の形態の内視鏡装置1Eの基本構成は、第1の実施の形態の内視鏡装置1と、ほぼ同じであるため、同じ構成要素には同じ符号を付し説明は省略する。
以下、図面を参照して本発明の第6の実施の形態の医療器具である能動カテーテル装置1Fについて説明する。本実施の形態の能動カテーテル装置1Fの基本構成は、第1の実施の形態の内視鏡装置1と、類似しているため、同じ説明は省略する。
以下、本発明の第6の実施の形態の変形例の医療器具である能動カテーテル装置1F1について説明する。本変形例の能動カテーテル装置1F1の基本構成は、第2の実施の形態の医療器具である内視鏡装置1Bおよび第6の実施の形態の能動カテーテル装置1Fと、類似しているため、同じ説明は省略する。
Claims (9)
- 被検体内に挿入する細長い挿入部であって、基端部側に処置具が挿入される処置具挿入口と、先端部に前記処置具が突出する処置具突出口と、前記先端部の前記処置具突出口より基端部側に能動湾曲部とを、有する挿入部と、
前記能動湾曲部の操作を入力する入力手段と、
前記入力手段からの操作信号に基づき、前記能動湾曲部を駆動する駆動手段と、
前記駆動手段と前記入力手段とを制御する制御手段と、
前記処置具の前記処置具突出口からの突出の有無を検出する突出検出手段と、
を具備し、
前記制御手段は、前記突出検出手段からの情報に基づいて、前記駆動手段における駆動速度、動作トルク、湾曲範囲、制御方式または自由度のいずれかが異なる複数の異なる制御モードから一の制御モードを選択し、選択した一の制御モードにより当該駆動手段の制御を行うことを特徴とする医療器具。 - 前記複数の制御モードは駆動速度が異なる制御モードであり、
前記突出検出手段からの情報に基づいて、前記処置具が前記処置具突出口から突出が検出された場合に、前記制御手段は、前記処置具が前記処置具突出口から突出していない場合よりも、駆動速度の遅い制御モードを選択することを特徴とする請求項1に記載の医療器具。 - 前記処置具挿入口から挿入された前記処置具の種類を検出する種類検出手段を有し、
前記制御手段は、前記種類検出手段の情報に基づいて、前記一の制御モードを選択することを特徴とする請求項1または2に記載の医療器具。 - 前記制御手段は、前記挿入部の前記被検体内への挿入時または観察時において選択する前記一の制御モードと、前記処置具による処置時において選択する前記一の制御モードとが、異なることを特徴とする請求項1−3のいずれか1項に記載の医療器具。
- 前記複数の制御モードは駆動速度が異なる制御モードであり、前記制御手段は、前記処置具による処置時には、前記挿入部の前記被検体内への挿入時または観察時よりも、駆動速度の遅い制御モードを選択することを特徴とする請求項4に記載の医療器具。
- 前記医療器具が能動内視鏡装置であることを特徴とする請求項1−5のいずれか1項に記載の医療器具。
- 前記医療器具が能動カテーテル装置であることを特徴とする請求項1−5のいずれか1項に記載の医療器具。
- 前記能動カテーテルが内視鏡のチャンネルに挿通することを特徴とする請求項7に記載の医療器具。
- 前記選択された一の制御モードを表示する制御モード表示手段を有することを特徴とする請求項1−8のいずれか1項に記載の医療器具。
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JP2008021323A JP4672031B2 (ja) | 2008-01-31 | 2008-01-31 | 医療器具 |
CN200810190528.4A CN101496713B (zh) | 2008-01-31 | 2008-12-30 | 医疗器具 |
US12/354,272 US8591400B2 (en) | 2008-01-31 | 2009-01-15 | Medical instrument |
EP09000682A EP2085017B1 (en) | 2008-01-31 | 2009-01-19 | Medical instrument |
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JP2008021323A JP4672031B2 (ja) | 2008-01-31 | 2008-01-31 | 医療器具 |
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JP2004101737A (ja) * | 2002-09-06 | 2004-04-02 | Olympus Corp | 内視鏡 |
JP2006223849A (ja) * | 2005-01-18 | 2006-08-31 | Pentax Corp | 電子内視鏡システム |
JP2007029194A (ja) * | 2005-07-22 | 2007-02-08 | Olympus Corp | 内視鏡及び内視鏡用処置具並びに内視鏡システム |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2013172152A1 (ja) | 2012-05-18 | 2013-11-21 | オリンパス株式会社 | 手術支援装置 |
US10245111B2 (en) | 2012-05-18 | 2019-04-02 | Olympus Corporation | Operation support device |
WO2014007125A1 (ja) | 2012-07-03 | 2014-01-09 | オリンパス株式会社 | 手術支援装置 |
US9480536B2 (en) | 2012-07-03 | 2016-11-01 | Olympus Corporation | Surgery assistance device |
Also Published As
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EP2085017B1 (en) | 2011-06-22 |
US8591400B2 (en) | 2013-11-26 |
US20090198104A1 (en) | 2009-08-06 |
CN101496713B (zh) | 2011-03-16 |
JP2009178416A (ja) | 2009-08-13 |
EP2085017A1 (en) | 2009-08-05 |
CN101496713A (zh) | 2009-08-05 |
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