JP2021533367A - 医療用画像のための適応コンプトンカメラ - Google Patents
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Abstract
Description
Claims (20)
- 医療用画像のためのコンプトンカメラであって、
前記コンプトンカメラが、
患者ベッド(60);
散乱検出器(12);
捕獲検出器(13);および
前記散乱検出器(12)、前記捕獲検出器(13)、または前記散乱検出器(12)と前記捕獲検出器(13)の両方と連結するモータ(114)、とを含む、コンプトンカメラであって、
前記モータ(114)が、前記散乱検出器(12)、前記捕獲検出器(13)、または前記散乱検出器(12)と前記捕獲検出器(13)の両方を前記患者ベッド(60)から近づけるか、またはさらに遠ざけるように構成されているコンプトンカメラ。 - 前記散乱検出器(12)及び前記捕獲検出器(13)が、第1のモジュールの一部である、請求項1に記載のコンプトンカメラ。
- 追加の散乱検出器(12)および追加の捕獲検出器(13)を有する第2のモジュール、前記患者ベッド(60)上の患者からの放出物を受け取るように配置された第1および第2のモジュール(11)をさらに含む、請求項2に記載のコンプトンカメラ。
- 前記散乱検出器(12)は前記捕獲検出器(13)から固定距離にあり、
前記モーター(114)が前記散乱検出器(12)と前記捕獲検出器(13)を一緒に移動させるように構成されている、請求項1に記載のコンプトンカメラ。 - 前記散乱検出器(12)は前記捕獲検出器(13)に対して移動可能であり、
前記モーター(114)が前記捕獲検出器(13)を移動させることなく、
前記散乱検出器(12)を移動させるように構成されている、請求項1に記載のコンプトンカメラ。 - 前記捕獲検出器(13)は前記散乱検出器(12)に対して移動可能であり、
前記モータ(114)が前記散乱検出器(12)を移動させることなく、
前記捕獲検出器(13)を移動させるように構成されている、請求項1に記載のコンプトンカメラ。 - 前記散乱検出器(12)および前記捕獲検出器(13)が、前記患者ベッド(60)に対して独立に移動可能である、請求項1に記載のコンプトンカメラ。
- 前記患者ベッド(60)上の患者を感知するように構成されたセンサ(110)をさらに含み、
前記モータ(114)が、前記センサ(110)の出力に基づいて、前記散乱検出器(12)の患者からの距離を減少させるために、前記散乱検出器(12)を移動するように構成されている、請求項1に記載のコンプトンカメラ。 - 性能指数バランス感度及び画質に基づいて、前記散乱検出器(12)と前記捕獲検出器(13)との間の距離を設定するように、前記モータ(114)を制御するように構成された制御プロセッサ(112)をさらに含む、請求項1に記載のコンプトンカメラ。
- 前記制御プロセッサ(112)は、前記モータ(114)を制御して前記散乱検出器(12)を移動させて、患者からの前記散乱検出器(12)の距離を減少させ、および
前記モータ(114)を制御して、性能指数に基づいて前記捕獲検出器(13)を前記散乱検出器(12)からの距離に移動させるように構成されている、請求項9に記載のコンプトンカメラ。 - 前記第1及び第2のモジュール(11)が、前記患者ベッド(60)の周りにリング又は部分リングの一部を形成する、請求項3に記載のコンプトンカメラ。
- 前記散乱検出器(12)および前記捕獲検出器(13)において対になった事象から形成されたコンプトン事象からコンプトン画像を生成するように構成された画像プロセッサ(19)をさらに含み、ならびに
前記コンプトン画像を表示するように構成されたディスプレイをさらに含む、請求項1に記載のコンプトンカメラ。 - 角度閾値に基づいてコンプトン事象を棄却し、棄却されなかったコンプトン事象からコンプトン画像を生成するように構成された画像プロセッサ(19)をさらに含む、請求項1に記載のコンプトンカメラ。
- 散乱検出器(12)および捕獲検出器(13)を有する各々の固体検出器モジュール(11)、ならびに
前記散乱検出器(12)、前記捕獲検出器(13)、または前記散乱検出器(12)および前記捕獲検出器(13)の両方の位置を、患者空間のアイソセンタに対して変更するように構成された制御プロセッサ(112)を含む、医療用画像システム。 - 前記患者空間内の患者を感知するように構成された位置センサ(110)をさらに含み、
前記制御プロセッサ(112)が、前記センサ(110)からの患者の感知位置に基づいて、前記散乱検出器(12)の位置を変更するように構成されている、請求項14に記載の医療用画像システム。 - 前記制御プロセッサ(112)は、前記散乱検出器(12)の位置を変更し、および
前記散乱検出器(12)と前記捕獲検出器(13)との間の距離が変更されるように、前記捕獲検出器(13)の位置を変更するように構成されている、請求項14に記載の医療用画像システム。 - 前記制御プロセッサ(112)が、感度と画質との間の相対的な選択に基づいて位置を変更するように構成されている、請求項14に記載の医療用画像システム。
- コンプトンカメラを有する医療用画像のための方法であって、
前記方法が、
コンプトンカメラの検出器であるモーター(114)により移動させること(184)、
検出器によって、患者からの放出物を移動させて検出すること(186)、
検出された放出物からコンプトン画像を生成すること(188)
を含む、医療用画像のための方法。 - 患者を検知すること(182)をさらに含み、
移動(184)が、患者の検知の出力に基づく移動(184)を含む、請求項18に記載の方法。 - 検出器を移動させること(184)が、散乱検出器(12)、捕獲検出器(13)、または前記散乱検出器(12)と前記捕獲検出器(13)の両方を移動させること(184)を含む、請求項18に記載の方法。
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