JPWO2016117090A1 - ファイバセンサシステム及びそれを搭載した内視鏡装置 - Google Patents
ファイバセンサシステム及びそれを搭載した内視鏡装置 Download PDFInfo
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Abstract
Description
上記検出装置は、
少なくとも一つの被検出部での湾曲形状検出に必要な波長成分を少なくとも有する光を発生する光源と、上記光源からの上記光を導光する、上記少なくとも一つの被検出部を備える可撓性の導光部材と、上記導光部材から出射された光を検出する光検出器と、を有するファイバセンサと、
上記信号処理装置との間で信号を無線で送受信する第1の通信部を有し、当該第1の通信部により、上記ファイバセンサの上記光検出器の出力信号、または、当該出力信号から上記少なくとも一つの被検出部での湾曲形状を求める信号処理における少なくとも中間処理情報の信号を、上記信号処理装置に無線送信する第1の信号処理部と、
を備え、
上記信号処理装置は、
上記検出装置との間で信号を無線で送受信する第2の通信部を有し、当該第2の通信部により受信した信号から上記少なくとも一つの被検出部での湾曲形状に係わる情報を求める第2の信号処理部と、
上記第2の信号処理部で求めた上記少なくとも一つの被検出部での湾曲形状に係わる情報を出力する出力部と、
を備える、ことを特徴とするファイバセンサシステムが提供される。
また、本発明の第2の態様によれば、
本発明の第1の態様のファイバセンサシステムを搭載した内視鏡装置であって、
被挿入体に挿入される挿入部を備え、
上記挿入部の長手軸方向に沿って上記ファイバセンサの上記導光部材を延在配置した、ことを特徴とする内視鏡装置が提供される。
すなわち、図18に示すように、内視鏡装置4は、被挿入体に挿入される挿入部41と、この挿入部41と一体的に構成された操作部42と、を備える。上記挿入部41は、可撓性の管状部材であり、上記被挿入体の挿入口から上記被挿入体の内部に挿入可能となっている。特に図示はしていないが、上記挿入部41の挿入方向の端部(以下、挿入部先端と称する。)には、撮像開口部及び照明光出射部が設けられており、また、上記挿入部41内部の挿入部先端近傍には、撮像部が内蔵されている。上記撮像部は、上記照明光出射部から出射された照明光が上記被挿入体内部で反射されて上記撮像開口部に入射した光を受光し、撮像を行う。この撮像部が撮像した画像は、ビデオプロセッサ43を通してディスプレイ44に出力される。
Claims (17)
- ファイバセンサを備えた検出装置と、上記検出装置から出力される信号について信号処理を行う信号処理装置と、からなるファイバセンサシステムであって、
上記検出装置は、
少なくとも一つの被検出部での湾曲形状検出に必要な波長成分を少なくとも有する光を発生する光源と、上記光源からの上記光を導光する、上記少なくとも一つの被検出部を備える可撓性の導光部材と、上記導光部材から出射された光を検出する光検出器と、を有するファイバセンサと、
上記信号処理装置との間で信号を無線で送受信する第1の通信部を有し、当該第1の通信部により、上記ファイバセンサの上記光検出器の出力信号、または、当該出力信号から上記少なくとも一つの被検出部での湾曲形状を求める信号処理における少なくとも中間処理情報の信号を、上記信号処理装置に無線送信する第1の信号処理部と、
を備え、
上記信号処理装置は、
上記検出装置との間で信号を無線で送受信する第2の通信部を有し、当該第2の通信部により受信した信号から上記少なくとも一つの被検出部での湾曲形状に係わる情報を求める第2の信号処理部と、
上記第2の信号処理部で求めた上記少なくとも一つの被検出部での湾曲形状に係わる情報を出力する出力部と、
を備える、ことを特徴とするファイバセンサシステム。 - 上記ファイバセンサの上記導光部材は、複数の被検出部を備え、
上記複数の被検出部は、互いに異なる吸収スペクトル、発光スペクトル、反射スペクトル、または損失スペクトルを有する、ことを特徴とする請求項1に記載のファイバセンサシステム。 - 上記ファイバセンサの上記導光部材は、光ファイバであり、
上記複数の被検出部は、上記光ファイバの少なくともクラッド層に、互いに異なる吸収スペクトル、発光スペクトル、反射スペクトル、または損失スペクトルを有する、ことを特徴とする請求項2に記載のファイバセンサシステム。 - 上記検出装置の上記第1の信号処理部は、上記ファイバセンサ毎に固有の情報であるファイバセンサ個体情報を記憶するメモリを有する、ことを特徴とする請求項1乃至3の何れかに記載のファイバセンサシステム。
- 上記検出装置の上記第1の信号処理部は、さらに、上記第1の通信部により上記ファイバセンサ個体情報を上記信号処理装置に無線送信する、ことを特徴とする請求項4に記載のファイバセンサシステム。
- 上記検出装置の上記第1の信号処理部は、上記ファイバセンサ個体情報を、上記第1の通信部による上記光検出器の上記出力信号または上記少なくとも中間処理情報の信号の送信毎、上記検出装置の立ち上げ時、及び、必要に応じて、の少なくとも一つのタイミングで、上記第1の通信部により上記信号処理装置に無線送信する、ことを特徴とする請求項5に記載のファイバセンサシステム。
- 上記検出装置の上記第1の信号処理部は、上記第1の通信部により受信した上記信号処理装置からの要求に応じて、上記ファイバセンサ個体情報を上記第1の通信部により上記信号処理装置に無線送信する、ことを特徴とする請求項5に記載のファイバセンサシステム。
- 上記検出装置の上記第1の信号処理部は、
上記ファイバセンサの上記光検出器の上記出力信号をデジタル信号に変換するデジタル変換部と、
上記デジタル変換部により変換された上記デジタル信号と、上記メモリに記憶された上記ファイバセンサ個体情報と、に基づいて、上記ファイバセンサの上記少なくとも一つの被検出部の湾曲形状または状態を演算する演算処理部と、
を更に有する、ことを特徴とする請求項4に記載のファイバセンサシステム。 - 上記検出装置の上記第1の信号処理部は、少なくとも上記ファイバセンサの上記光源及び上記光検出器と上記第1の通信部とを制御する制御部を更に有する、ことを特徴とする請求項1乃至5の何れかに記載のファイバセンサシステム。
- 上記検出装置は、バッテリ及び/又は外部無線供給によって電力を生成し、当該電力を上記ファイバセンサの上記光源及び上記光検出器と上記第1の信号処理部とへ供給する電力供給部を更に備える、ことを特徴とする請求項1乃至4、8及び9の何れかに記載のファイバセンサシステム。
- 上記検出装置は、上記電力供給部の供給可能電力が少なくなってきた場合に、省電力モードとなる、ことを特徴とする請求項10に記載のファイバセンサシステム。
- 上記信号処理装置の上記第2の通信部は、無線信号用アンテナを少なくとも一つ有する、ことを特徴とする請求項1、10及び11の何れかに記載のファイバセンサシステム。
- 上記信号処理装置の上記第2の通信部は、無線信号用のアンテナと無線給電用のアンテナとを少なくとも一つずつ有する、ことを特徴とする請求項10または12に記載のファイバセンサシステム。
- 上記電力供給部は、上記バッテリから無接点供給によって上記電力を発生する電力変換部を有する、ことを特徴とする請求項10に記載のファイバセンサシステム。
- 上記電力供給部は、上記外部無線供給を、上記検出装置を使用していない上記検出装置の待機状態で行い、
上記第1の通信部は、上記無線送信を、上記検出装置を使用している状態で行う、ことを特徴とする請求項10に記載のファイバセンサシステム。 - 上記検出装置は、上記ファイバセンサの状態を表示するモニタを備える、または、そのようなモニタを接続するための端子を備える、ことを特徴とする請求項1乃至4、8、9、12及び13の何れかに記載のファイバセンサシステム。
- 請求項1乃至16の何れかに記載のファイバセンサシステムを搭載した内視鏡装置であって、
被挿入体に挿入される挿入部を備え、
上記挿入部の長手軸方向に沿って上記ファイバセンサの上記導光部材を延在配置した、ことを特徴とする内視鏡装置。
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