JP2016522719A - 基準マーカーによる術中撮影画像の重ね合わせ - Google Patents
基準マーカーによる術中撮影画像の重ね合わせ Download PDFInfo
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Abstract
Description
少なくとも1つの第1の記録デバイスによって患者の少なくとも1つの特定の身体領域のX線技術によって得られた断層撮像画像データまたは術中画像データを記録するステップであって、少なくとも1つの表面を有する第1の基準体が、前記患者に配置され、同時に前記第1の記録デバイスによって記録される、該ステップと、
変形情報を得るために前記第1の基準体の既知の形状データと、前記第1の基準体を表す記録された前記画像データとを比較するステップと、
修正された画像データを得るため、前記変形情報に基づいてコンピュータユニットにより記録された前記画像データを修正するステップと、
重畳画像データを得るため、前記修正された画像データに前記患者の同じ身体領域の別の画像データを重畳するステップと、
前記重畳画像データをディスプレイ上に表示するステップとを含むことを特徴とする方法によって達成される。
2,12,22 主本体部
3,13,23 中心点
4,14,24 外周部
5,25 内周部
6,26 円形通孔
7 カバー層
19,19' 基準マーク
31 U字型部分
31' 基準体の表面
32,33 ウェブ
34 主ブラケット
35 クランプブラケット
36 キャップ
37 ピン
38 外側スリーブ
39 固定スリーブ
50 電磁界発生器
50' 電磁界発生器のフレーム
50" 電磁界発生器の平坦な表面
100 C字型アーム
200 手術台
P 患者
S1,S2,S3,S4,S5 実施方法の各ステップ
Claims (18)
- 手術計画及び/または術中ナビゲーションのためのシステムに患者の画像データを組み入れる方法であって、
少なくとも1つの第1の記録デバイスによって患者の少なくとも1つの特定の身体領域のX線技術によって得られた断層撮像画像データまたは術中画像データを記録するステップ(S1)であって、少なくとも1つの表面を有する第1の基準体(1、11、21)が、前記患者に配置され、同時に前記第1の記録デバイスによって記録される、該ステップと、
変形情報を得るために前記第1の基準体の既知の形状データと、前記第1の基準体を表す記録された前記画像データとを比較するステップ(S2)と、
修正された画像データを得るため、前記変形情報に基づいてコンピュータユニットにより記録された前記画像データを修正するステップ(S3)と、
重畳画像データを得るため、前記修正された画像データに前記患者の同じ身体領域の別の画像データを重畳するステップ(S4)と、
前記重畳画像データをディスプレイ上に表示するステップ(S5)とを含むことを特徴とする方法。 - 前記第1の基準体の前記形状データが、非変形状態で前記第1基準体の実際の形状を画像化する画像データであることを特徴とする請求項1に記載の方法。
- 前記患者の同じ身体領域の別の画像データが、前記第1基準体の形状データを画像データとして含むことを特徴とする請求項1または2に記載の方法。
- 前記第1の基準体が、前記別の画像データを記録するときに、前記断層撮像画像データを記録するときと、前記記録デバイス及び/または患者に対して同じ位置を有することを特徴とする請求項3に記載の方法。
- 前記第1の基準体が、前記別の画像データを記録するときに、前記断層撮像画像データを記録するときと、前記記録デバイスから同じ距離を有することを特徴とする請求項3または4に記載の方法。
- 前記第1の基準体が、前記断層撮像画像データを記録するときに前記第1の基準体の前記表面の最大限に大きい部分が前記記録デバイスに対向するように位置合わせされることを特徴とする請求項1〜5のいずれかに記載の方法。
- 前記第1の基準体が、前記患者のある身体上の位置に配置されることを特徴とする請求項1〜6のいずれかに記載の方法。
- 前記患者の同じ身体領域の別の画像データは、第2の記録デバイスによって記録され、前記第2の記録デバイスは、X線デバイスであり、前記別の画像データはX線透視画像を含むことを特徴とする請求項1〜7のいずれかに記載の方法。
- 前記第1の基準体は、リング形状または円形であり、及び/またはリング形状及び/または円形の領域及び/または要素を有することを特徴とする請求項1〜8のいずれかに記載の方法。
- 前記別の画像データが、術中に記録されることを特徴とする請求項1〜9のいずれかに記載の方法。
- 前記患者の少なくとも1つの特定の身体領域は、脊柱を含むことを特徴とする請求項1〜10のいずれかに記載の方法。
- 第2の基準体が、前記患者の少なくとも1つの特定の身体領域に含まれる前記患者の身体の手術部位に配置され、前記第1の基準体及び前記第2の基準体は、手術の計画と実施のためのナビゲーションシステムにおいて重ね合わせられ、前記ナビゲーションシステムによって、前記第1の基準体及び前記第2の基準体の位置データが基準点に対して決定され、前記断層撮像画像データ及び前記別の画像データは、前記ナビゲーションシステムにおける前記第1の基準体及び前記第2の基準体の位置データによって、重畳された形で前記ディスプレイ上に表示されることを特徴とする請求項1〜11のいずれかに記載の方法。
- 前記断層撮像画像データの少なくとも一部は、検査中または手術中に記録されることを特徴とする請求項1〜12のいずれかに記載の方法。
- 前記第1の基準体及び/または前記第2の基準体は、電磁気的及び/または光学的位置検出システムによって位置を検出されることを特徴とする請求項1〜13のいずれかに記載の方法。
- 前記位置の検出は、前記画像データの記録と同時に、及び/または前記別の画像データの記録と同時に実施されることを特徴とする請求項14に記載の方法。
- 前記第1の基準体は、複数の基準マーク(19)を有し、前記複数の基準マーク同士の相対的な位置は、既知であり一定であることを特徴とする請求項1〜15のいずれかに記載の方法。
- 前記第1の基準体は、電磁界発生器(50)に配置され、前記電磁界発生器及び/または前記電磁界発生器の電磁界発生要素は、フレーム形状を有し、前記フレームは、放射線透過性のウィンドウの外周に延在しており、前記ウィンドウ内に位置する放射線不透過性の基準マーク(19)から離隔して配置されることを特徴とする請求項16に記載の方法。
- 手術計画及び/または術中ナビゲーションのための医療用システムであって、
コンピュータユニットと、
患者の身体領域の断層撮像画像データを記録するための少なくとも1つの第1の記録ユニットと、
前記患者の身体領域と同じ身体領域の別の画像データを記録するための少なくとも1つの第2の記録ユニットと、
基準体とを含み、
請求項1〜14のいずれかの方法を実施するべく構成されていることを特徴とする医療用システム。
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