JP5976636B2 - 医療撮像システムにおける運動補償及び患者フィードバック - Google Patents
医療撮像システムにおける運動補償及び患者フィードバック Download PDFInfo
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Description
Claims (20)
- 生体構造を撮像するために使用する光学モーションセンシングシステムであって、
体輪郭適合基質及び光学ファイバを含む光学モーションセンサであって、
前記体輪郭適合基質が前記生体構造に隣接されるとき、前記体輪郭適合基質が、前記生体構造による任意の運動に返礼するよう、前記生体構造の表面輪郭に対して少なくとも部分的に、構造的に従い、
前記光学ファイバは、前記体輪郭適合基質に少なくとも部分的に埋め込まれており、前記生体構造の撮像の間、前記体輪郭適合基質による任意の互恵的な運動に応じて、前記光学ファイバの形状を示すエンコードされた光学信号を生成する、光学モーションセンサと、
前記エンコードされた光学信号に応じて、前記光学ファイバの形状を幾何学的に且つ周期的に再構成するモーショントラッカであって、
前記再構成が、前記エンコードされた光学信号に応じて前記光学ファイバの空間形状を算出することを含み、
前記光学ファイバの幾何学的な再構成の間の前記光学ファイバの空間形状における各変化が、前記生体構造の撮像の間の前記生体構造による運動を表す、モーショントラッカとを有する、光学モーションセンシングシステム。 - 前記体輪郭適合基質に前記生体構造を隣接させることが、前記体輪郭適合基質が前記生体構造につけられることを含む、請求項1に記載の光学モーションセンシングシステム。
- 前記体輪郭適合基質に前記生体構造を隣接させることが、前記体輪郭適合基質が前記生体構造と連続していることを含む、請求項1に記載の光学モーションセンシングシステム。
- 前記生体構造による運動が、前記生体構造の線形運動、前記生体構造による角運動、前記生体構造の構造屈曲、前記生体構造の構造伸長、前記生体構造の構造拡張及び前記生体構造の構造圧縮の少なくとも1つを含む、請求項1に記載の光学モーションセンシングシステム。
- 前記体輪郭適合基質が、鞘、包帯、帽子及びカテーテルバルーンを含むグループから選択される、請求項1に記載の光学モーションセンシングシステム。
- 前記体輪郭適合基質に埋め込まれる前記光学ファイバの部分が、前記生体構造の撮像の間、前記体輪郭適合基質による任意の互恵的な運動に応答する柔軟な形状を持つ、請求項1に記載の光学モーションセンシングシステム。
- 前記体輪郭適合基質に埋め込まれる前記光学ファイバの第1の部分が、前記生体構造の撮像の間、前記体輪郭適合基質による任意の互恵的な運動に対して非応答的な固定された形状を呈し、
前記体輪郭適合基質の外側の前記光学ファイバの第2の部分は、前記生体構造の撮像の間、前記体輪郭適合基質による任意の互恵的な運動に応答してその形状が変化する、請求項1に記載の光学モーションセンシングシステム。 - 生体構造を撮像する医療撮像システムであって、
体輪郭適合基質及び光学ファイバを含む光学モーションセンサであって、
前記体輪郭適合基質が前記生体構造に隣接されるとき、前記体輪郭適合基質が、前記生体構造による任意の運動に返礼するよう、前記生体構造の表面輪郭に対して少なくとも部分的に、構造的に従い、
前記光学ファイバは、前記体輪郭適合基質に少なくとも部分的に埋め込まれており、前記生体構造の撮像の間、前記体輪郭適合基質による任意の互恵的な運動に応じて、前記光学ファイバの形状を示すエンコードされた光学信号を生成する、光学モーションセンサと、
前記エンコードされた光学信号に応じて、前記光学ファイバの形状を幾何学的に且つ周期的に再構成するモーショントラッカであって、
前記再構成が、前記エンコードされた光学信号に応じて前記光学ファイバの空間形状を算出することを含み、
前記光学ファイバの幾何学的な再構成の間の前記光学ファイバの空間形状における各変化が、前記生体構造の前記撮像の間の前記生体構造による運動を表す、モーショントラッカと、
撮像システムであって、
前記モーショントラッカが、前記生体構造の撮像の間、前記生体構造による任意の運動を表す運動追跡データを生成するよう動作し、
前記撮像システムは、前記撮像システムによる運動補償アルゴリズムの実行を容易にするよう、前記運動追跡データに応答する、撮像システムとを有する、医療撮像システム。 - 前記生体構造による運動が、前記生体構造の線形運動、前記生体構造による角運動、前記生体構造の構造屈曲、前記生体構造の構造伸長、前記生体構造の構造拡張及び前記生体構造の構造圧縮の少なくとも1つを含む、請求項8に記載の医療撮像システム。
- 前記体輪郭適合基質が、鞘、包帯、帽子及びカテーテルバルーンを含むグループから選択される、請求項8に記載の医療撮像システム。
- 前記モーショントラッカが更に、撮像システムの閉ループ制御を容易にするため閉ループ制御データを生成するよう動作する、請求項8に記載の医療撮像システム。
- フィードバックシステムを更に有し、
前記モーショントラッカが更に、前記生体構造の運動を示す少なくとも視覚フィードバック及び音声フィードバックの少なくとも一方を提供するため、フィードバックデータを生成するよう動作する、請求項8に記載の医療撮像システム。 - 前記視覚フィードバック及び音声フィードバックの少なくとも一方が、前記生体構造による許容できない運動を示す、請求項12に記載の医療撮像システム。
- フィードバックシステムを更に有し、
前記モーショントラッカが更に、前記生体構造を位置決めすること及び前記生体構造の位置を維持することの少なくとも一方のため、患者制御データを生成するよう動作する、請求項8に記載の医療撮像システム。 - 前記モーショントラッカが更に、前記撮像システムの動作の少なくとも1つを調整するため、システム制御データを生成するよう動作する、請求項8に記載の医療撮像システム。
- 医療撮像方法において、
光学モーションセンサを生体構造に隣接させるステップであって、
前記光学モーションセンサが、体輪郭適合基質及び光学ファイバを含み、
前記体輪郭適合基質が前記生体構造に隣接されるとき、前記体輪郭適合基質が、前記生体構造による任意の運動に返礼するよう、前記生体構造の表面輪郭に対して少なくとも部分的に、構造的に従い、
前記光学ファイバは、前記体輪郭適合基質に少なくとも部分的に埋め込まれており、前記生体構造の撮像の間、前記体輪郭適合基質による任意の互恵的な運動に応じて、前記光学ファイバの形状を示すエンコードされた光学信号を生成する、ステップと、
前記光学ファイバの形状を幾何学的に且つ周期的に再構成するステップであって、
前記再構成が、前記エンコードされた光学信号に応じて前記光学ファイバの空間形状を算出することを含み、
前記光学ファイバの幾何学的な再構成の間の前記光学ファイバの空間形状における各変化が、前記生体構造の前記撮像の間の前記生体構造による運動を表す、ステップとを有する、医療撮像方法。 - 前記生体構造の撮像の間、前記生体構造による任意の運動を補償するステップを更に有する、請求項16に記載の医療撮像方法。
- 前記生体構造の撮像の間の前記生体構造による許容できない運動を表すフィードバックを提供するステップを更に有する、請求項16に記載の医療撮像方法。
- 前記生体構造を位置決めすること及び前記生体構造の位置を維持することの少なくとも一方のためフィードバックを提供するステップを更に有する、請求項16に記載の医療撮像方法。
- 前記生体構造の撮像における少なくとも1つの動作を制御することからのフィードバックを提供するステップを更に有する、請求項16に記載の医療撮像方法。
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BR112012028174A2 (pt) | 2016-08-09 |
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EP2566388B1 (en) | 2014-05-28 |
WO2011138691A1 (en) | 2011-11-10 |
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