JP5270365B2 - 電気生理マッピングおよび治療の際の心臓形態可視化のシステムおよび方法 - Google Patents
電気生理マッピングおよび治療の際の心臓形態可視化のシステムおよび方法 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/12—Arrangements for detecting or locating foreign bodies
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/46—Arrangements for interfacing with the operator or the patient
- A61B6/461—Displaying means of special interest
- A61B6/463—Displaying means of special interest characterised by displaying multiple images or images and diagnostic data on one display
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Description
Claims (20)
- 患者の関心領域に対するカテーテルの位置を表示する装置の制御方法であって:
データ・ボリューム受領手段がインターベンション前データ・ボリュームを受領する段階と;
X線画像受領手段がX線画像を受領する段階と;
識別手段が前記インターベンション前データ・ボリュームにおいて複数の参照カテーテル先端の位置を識別する段階であって、前記複数の参照カテーテル先端の各カテーテル先端は、患者の体の中の既知の位置に位置され、各カテーテル先端は、複数の参照カテーテルのうちの一つに対応する、段階と;
セグメンテーション手段が前記X線画像において、前記複数の参照カテーテル先端をセグメンテーションして、それらの各位置に座標を割り当てる段階と;
計算手段が前記インターベンション前データ・ボリュームにおける前記複数の参照カテーテル先端のそれぞれの、3D座標として与えられた位置を、前記ボリュームを通じた投影が前記X線画像の2D座標に合う2D座標に対応する2D座標を与えるような仕方で、変換する幾何学的な変換を計算する段階と;
表示手段が前記幾何学的な変換によって変換された前記インターベンション前データ・ボリュームおよび前記X線画像の融合されたまたは重ねられた画像の一つを表示する段階とを有する、
方法。 - 前記X線画像がX線透視画像である、請求項1記載の方法。
- 前記インターベンション前データ・ボリュームが、以前に取得された3D CTスキャンおよびMRI画像のうちの少なくとも一つから導かれる、請求項1記載の方法。
- X線画像において、前記複数の参照カテーテル先端をセグメンテーションしてそれらの各位置に座標を割り当てる前記段階が、注釈付けされたモデルを使うことを含む、請求項1記載の方法。
- 前記注釈付けされたモデルが、前記複数の参照カテーテルのすべての共通位置を含む、請求項4記載の方法。
- 注釈付けモデルを使うことが:
前記モデルを、測定されたデータに合うよう変形し;
注釈付けされた点を患者データ・セット中の各位置に移動させることを含む、
請求項4記載の方法。 - 前記複数の参照カテーテルのそれぞれの位置が、前記インターベンション前データ・ボリューム中でユーザーによってマークされている、請求項4記載の方法。
- 前記幾何学的な変換を計算する前記段階が、前記患者の関心領域の形態の、一つの静的なセグメンテーション結果を、前記複数の参照カテーテルのそれぞれの識別された位置に合うようにする剛体変換を含む、請求項1記載の方法。
- フィルタ処理手段が前記関心領域の動きに起因する画像アーチファクトを回避するために前記カテーテルの位置を低域通過フィルタ処理する段階をさらに有する、請求項1記載の方法。
- 前記関心領域が心臓の形態を含む、請求項1記載の方法。
- 前記変換が、それぞれ心拍および呼吸に起因する前記カテーテルの動きに関する、それぞれ心電図および呼吸センサーからの情報を使う、呼吸インテイクの深さおよび心臓サイクルでの位相のうちの少なくとも一つに対応するための剛体変換を含む、請求項1記載の方法。
- 前記インターベンション手順が電気生理学的な手順を含む、請求項1記載の方法。
- 体の関心領域を撮像し、関心対象カテーテルを可視化する撮像システムであって:
マッピングおよびアブレーションのうちの少なくとも一方のために構成された関心対象カテーテルと;
それぞれカテーテル先端を有する複数の参照カテーテルであって、前記複数の参照カテーテル先端の各カテーテル先端は、患者の体の中の体の関心領域の既知の位置に位置され、各カテーテル先端は、複数の参照カテーテルのうちの一つに対応する、複数の参照カテーテルと;
前記関心対象カテーテルおよび前記複数の参照カテーテルに結合された画像処理ユニットであって:
インターベンション前データ・ボリュームにおいて前記複数の参照カテーテル先端のそれぞれの個別的な位置を識別し、
X線画像において、前記複数の参照カテーテル先端をセグメンテーションして、それらの各位置に座標を割り当て、
前記インターベンション前データ・ボリュームにおける前記複数の参照カテーテル先端のそれぞれの、3D座標として与えられた位置を、前記ボリュームを通じた投影が前記X線画像の2D座標に合う2D座標に対応する2D座標を与えるような仕方で、変換する幾何学的な変換を計算するよう構成されている画像処理ユニットと;
前記幾何学的な変換によって変換された前記インターベンション前データ・ボリュームおよび前記X線画像の融合されたまたは重ねられた画像の一つを表示する、前記画像処理ユニットに結合された表示手段とを有する、
システム。 - 前記X線画像がX線透視画像である、請求項13記載のシステム。
- 前記インターベンション前データ・ボリュームが、以前に取得された3D CTスキャンおよびMRI画像のうちの少なくとも一つから導かれる、請求項13記載のシステム。
- 前記関心領域が心臓の形態を含む、請求項13記載のシステム。
- 手順の間に対象の関心領域にある関心対象カテーテルを位置特定するためのコンピュータ・プログラムであって、コンピュータ可読媒体に記憶されたプログラム命令を有しており、該命令は、コンピュータによって読み込まれたときに、該コンピュータをして:
インターベンション前データ・ボリュームを受領する段階と;
X線画像を受領する段階と;
前記インターベンション前データ・ボリュームにおいて複数の参照カテーテル先端の位置を識別する段階であって、前記複数の参照カテーテル先端の各カテーテル先端は、患者の体の中の既知の位置に位置され、各カテーテル先端は、複数の参照カテーテルのうちの一つに対応する、段階と;
前記X線画像において、前記複数の参照カテーテル先端をセグメンテーションして、それらの各位置に座標を割り当てる段階と;
前記インターベンション前データ・ボリュームにおける前記複数の参照カテーテル先端のそれぞれの、3D座標として与えられた位置を、前記ボリュームを通じた投影が前記X線画像の2D座標に合う2D座標に対応する2D座標を与えるような仕方で、変換する幾何学的な変換を計算する段階と;
前記幾何学的な変換によって変換された前記インターベンション前データ・ボリュームおよび前記X線画像の融合されたまたは重ねられた画像の一つを表示する段階とを実行させる、
コンピュータ・プログラム。 - 前記X線画像がX線透視画像である、請求項17記載のコンピュータ・プログラム。
- 前記インターベンション前データ・ボリュームが、以前に取得された3D CTスキャンおよびMRI画像のうちの少なくとも一つから導かれる、請求項17記載のコンピュータ・プログラム。
- 前記関心領域が心臓の形態を含む、請求項17記載のコンピュータ・プログラム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US75075505P | 2005-12-15 | 2005-12-15 | |
US60/750,755 | 2005-12-15 | ||
PCT/IB2006/054716 WO2007069168A2 (en) | 2005-12-15 | 2006-12-08 | System and method for visualizing heart morphologyduring electrophysiology mapping and treatment |
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JP2009519083A JP2009519083A (ja) | 2009-05-14 |
JP5270365B2 true JP5270365B2 (ja) | 2013-08-21 |
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US (1) | US8050739B2 (ja) |
EP (1) | EP1962689B1 (ja) |
JP (1) | JP5270365B2 (ja) |
CN (1) | CN101325912B (ja) |
WO (1) | WO2007069168A2 (ja) |
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