JP4611320B2 - 移動運動システムが設けられた遠隔操作内視鏡カプセル - Google Patents
移動運動システムが設けられた遠隔操作内視鏡カプセル Download PDFInfo
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- JP4611320B2 JP4611320B2 JP2006553701A JP2006553701A JP4611320B2 JP 4611320 B2 JP4611320 B2 JP 4611320B2 JP 2006553701 A JP2006553701 A JP 2006553701A JP 2006553701 A JP2006553701 A JP 2006553701A JP 4611320 B2 JP4611320 B2 JP 4611320B2
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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
- A61B1/00147—Holding or positioning arrangements
- A61B1/00156—Holding or positioning arrangements using self propulsion
-
- 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
- A61B1/041—Capsule endoscopes for imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/70—Manipulators specially adapted for use in surgery
- A61B34/72—Micromanipulators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
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- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Optics & Photonics (AREA)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
−複数の医療スタッフにより特定される診断上のニーズに基づく前進、後退および回転を行うことができる能力。
−脚に取り付けられた微小フックまたは単なる半径方向外方に曲がる複数の脚により、停止、および蠕動の前進力の調整を行うことができる能力。
−様々な胃腸の領域に対する寸法の順応性。
−損傷や病原体の位置を避けることができる可能性がないよう細胞組織上をスライドするシャクトリムシの移動のような半自動の内視鏡や従来の内視鏡と比較した、より大きな安全性。脚のある内視鏡カプセルにより、改善された軌跡の制御が可能となり、カプセルは病原体の領域に接触することなくこの病原体の領域を通過することができる。実際に、送信された視覚情報をガイドとして活用することにより、脚の位置を正確に制御することができる。
−ステップの長さ、頻度、軌跡および正確性に関するより良い移動の制御性、および手術しなければならない環境についての身体構造上および生体力学的な特徴に対する改善された順応性。
−脚を駆動するマイクロアクチュエータにおける移動を増幅させるシステムとして脚が動作できるような、より大きな移動の速度。このことにより、全体的により大きな速度が得られる。
−力の場を生み出すためのシステムを患者が装着する必要がないような、使用の際のより大きな利便性、およびこのシステムに関連する危険性を減少させることができること。
Claims (17)
- 人間の体腔の内部に対する診断および治療の目的で用いられる遠隔操作内視鏡カプセルであって、
複数の移動用モジュールを表面に配置した本体であって、前記移動用モジュールは当該本体を前記体腔内で移動させるのに適したものであるような本体と、
前記本体内にある駆動源と、
前記本体内に配設され、操作者により遠隔操作で送信された命令に基づいて前記移動用モジュールを駆動するマイクロコントローラと、
前記マイクロコントローラにより制御された、画像を撮像するためのビデオカメラと、
操作者により遠隔操作で送信された命令を受け、前記ビデオカメラにより撮像された画像を送信するトランシーバー・システムと、
を備え、
各々の前記移動用モジュールは、前記体腔の壁に接触するのに適し、移動力を伝達して壁との接触箇所を移動させることにより移動運動を生み出すような脚と、前記マイクロコントローラの制御により前記脚の動作を駆動するためのアクチュエータ手段と、を有し、
前記脚は少なくとも2自由度を有し、
前記脚は、前記壁に対する接触のための付着力が大きく、前記脚の実質的に円形な端部に沿って一列に設けられ、前記本体の後端部に向かって向きを変えている複数の微小フックを有し、前記微小フックは、前記脚の縁部に沿ってさらに設けられていることを特徴とする遠隔操作内視鏡カプセル。 - 前記本体は、長手方向に間隔が空けられた前端部および後端部を有し、前記脚は、前記アクチュエータ手段の制御により前記本体の長手方向で駆動するような1自由度を少なくとも有することを特徴とする請求項1記載の内視鏡カプセル。
- 前記脚は、前記脚が接触する細胞組織の変形に当該脚を適合させるのに適した、少なくとも1つの受動的な自由度を有することを特徴とする請求項2記載の内視鏡カプセル。
- 前記脚は、2つの部分からなる実質的に棒状の構成要素であり、端部同士は柔軟性が大きな膝部で接続されていることを特徴とする請求項1乃至3のいずれか一項に記載の内視鏡カプセル。
- 前記脚は、その延びる方向において柔軟性が大きな複数の部分を有する実質的に棒状の構成要素であることを特徴とする請求項1乃至3のいずれか一項に記載の内視鏡カプセル。
- 柔軟性が大きな前記膝部は材料除去により形成されることを特徴とする請求項4記載の内視鏡カプセル。
- 柔軟性が大きな前記膝部は、両方向における角移動を制限するためのストローク端停止部を有することを特徴とする請求項4記載の内視鏡カプセル。
- 前記脚は、形状記憶合金(SMA)から形成されていることを特徴とする請求項1乃至7のいずれか一項に記載の内視鏡カプセル。
- 前記アクチュエータ手段は、前記脚に接続された、形状記憶合金(SMA)からなる一対のワイヤを有し、これらのワイヤは、前記本体の長手方向に直交する軸を中心として当該脚を角移動させるよう互いに反対に駆動するようになっており、前記ワイヤには前記マイクロコントローラの制御により電流が選択的に供給されるようになっていることを特徴とする請求項1記載の内視鏡カプセル。
- 各移動用モジュールは、前記本体上で長手方向に収容された支持部を有し、前記支持部の一端において前記本体の長手方向に直交する軸を有するプーリが設けられており、前記脚は前記プーリからその半径方向に延び、前記一対の形状記憶合金(SMA)ワイヤは前記プーリの外周面における当該プーリの中心に関して反対側部分において当該プーリに接続されるとともにこれらのワイヤは前記支持部の反対端に設けられた電気接点に接続されていることを特徴とする請求項9のいずれか一項に記載の内視鏡カプセル。
- 前記移動用モジュールは、対応する脚が前記本体の前端部側および後端部側のいずれか一方に存在するよう、前記本体上で並んで配設されていることを特徴とする請求項1乃至10のいずれか一項に記載の内視鏡カプセル。
- 前記移動用モジュールは少なくとも6つであることを特徴とする請求項1乃至11のいずれか一項に記載の内視鏡カプセル。
- 前記アクチュエータ手段は、前記脚が前記本体に沿った長手方向に置かれるような静止位置と、前記脚が半径方向に最大限拡張するような位置との間における前記脚の角移動を制御するのに適したものであることを特徴とする請求項1記載の内視鏡カプセル。
- 前記アクチュエータ手段は、前記脚が前記本体に沿った長手方向に置かれるような静止位置と、前記脚が半径方向に最大限拡張するような位置との間における前記脚の角移動を制御するのに適したものであり、
前記静止位置において、前記脚は前記支持部に収容されることを特徴とする請求項10記載の内視鏡カプセル。 - 前記脚が半径方向に最大限拡張するような位置は、前記静止位置に対して120°の角度の位置にあることを特徴とする請求項13記載の内視鏡カプセル。
- 前記本体上に、飲み込みの際に前記脚を包むための生物分解性コーティングが設けられていることを特徴とする請求項1乃至15のいずれか一項に記載の内視鏡カプセル。
- 人間の体腔の内部に対する診断および治療の内視鏡検査のためのシステムであって、請求項1乃至16のいずれか一項に記載の内視鏡カプセルと、前記カプセルに前記体腔内の移動のための命令を送信するとともに受信を行い、取得されたデータを処理するような外部制御インターフェースと、を備えたことを特徴とするシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000008A ITPI20040008A1 (it) | 2004-02-17 | 2004-02-17 | Capsula robotica per applicazioni biomediche intracorporee |
PCT/IB2005/000398 WO2005082248A1 (en) | 2004-02-17 | 2005-02-17 | Teleoperated endoscopic capsule equipped with active locomotion system |
Publications (2)
Publication Number | Publication Date |
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JP2007521938A JP2007521938A (ja) | 2007-08-09 |
JP4611320B2 true JP4611320B2 (ja) | 2011-01-12 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006553701A Active JP4611320B2 (ja) | 2004-02-17 | 2005-02-17 | 移動運動システムが設けられた遠隔操作内視鏡カプセル |
Country Status (8)
Country | Link |
---|---|
US (1) | US8066632B2 (ja) |
EP (1) | EP1715789B1 (ja) |
JP (1) | JP4611320B2 (ja) |
KR (1) | KR100839825B1 (ja) |
CN (1) | CN100455256C (ja) |
ES (1) | ES2387497T3 (ja) |
IT (1) | ITPI20040008A1 (ja) |
WO (1) | WO2005082248A1 (ja) |
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ES2387497T3 (es) | 2012-09-25 |
WO2005082248A1 (en) | 2005-09-09 |
KR100839825B1 (ko) | 2008-06-19 |
US20080091070A1 (en) | 2008-04-17 |
EP1715789A1 (en) | 2006-11-02 |
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