JP7023897B2 - X線装置及びその操作方法 - Google Patents
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Description
-検査領域を受領するように構成され、さらに、制御コマンドを提供するように構成されたインタフェース、
-X線反射ユニットによって反射されたX線を検査領域に照射すべく、X線反射ユニットの位置、および/または、方向を最初に設定するように構成され、さらに、X線源によりX線ビームを発生するための制御コマンドを生成するように構成された、計算ユニット。
Claims (18)
- X線(4)を発生するために形成されたX線源(1)、X線検出器(2)およびX線反射ユニット(3.1、3.2)を含むX線装置(100、200、300、350、400、500)であって、
前記X線反射ユニット(3.1,3.2)が、反射されたX線(4´)が前記X線検出器(2)に入射するように、前記X線源(1)で発生されたX線(4)を反射するように構成されており、
前記X線(4)は第1の方向(21)に沿って前記X線源(1)と前記X線反射ユニット(3.1、3.2)の間を伝播し、
前記X線反射ユニット(3.1、3.2)がコーティングされたミラーを含み、
前記コーティングされたミラーの反射率は、前記第1の方向の反対方向と前記X線反射ユニット(3.1、3.2)の法線との間の角度の増加に基づいて増加し、
前記X線装置(100、200、300、350、400、500)は、前記X線反射ユニット(3.1、3.2)および前記X線検出器(2)について、共通の第1の回転軸及び共通の第3の回転軸を有し、前記共通の第1の回転軸及び前記共通の第3の回転軸は互いに異なり、
前記X線反射ユニット(3.1、3.2)および前記X線検出器(2)は、前記共通の第1の回転軸の周りに、同時に回転可能であり、
前記X線反射ユニット(3.1、3.2)および前記X線検出器(2)は、前記共通の第3の回転軸の周りに、同時に回転可能である、
X線装置(100、200、300、350、400、500)。 - 前記X線(4´)は第2の方向(22)に沿って前記X線反射ユニット(3.1、3.2)と前記X線検出器(2)の間を伝播し、
前記第1の方向(21)が前記第2の方向(22)とは異なる、請求項1に記載のX線装置(100、200、300、350、400、500)。 - 前記X線検出器(2)が前記第2の方向(22)に対して直交するように配置されていることを特徴とする、請求項2に記載のX線装置(100、200、300、350、400、500)。
- 前記X線反射ユニット(3.1、3.2)が第3の方向(23)に対して直交するように配置されており、
前記第3の方向(23)は前記第1の方向(21)の反対方向と前記第2の方向(22)との角度を二等分する方向である、請求項2または3に記載のX線装置(100、200、300、350、400、500)。 - 前記X線反射ユニット(3.1、3.2)が前記X線(4、4´)を集束させるために形成されている、請求項1から4のいずれか1項に記載のX線装置(100、200、300、350、400、500)。
- 前記X線反射ユニット(3.2)が凹面(7)を有し、
前記凹面(7)は前記X線源(1)によって発生されたX線(4)を反射するように構成されている、請求項5に記載のX線装置(100、200、300、350、400、500)。 - 前記X線反射ユニット(3.1、3.2)が、多層膜ミラー又は結晶モノクロメータを含む、請求項1から6のいずれか1項に記載のX線装置(100、200、300、350、400、500)。
- フレネルゾーンプレート(3.4)、および、屈折X線レンズの少なくとも一方をさらに含む、請求項1から7のいずれか1項に記載のX線装置(100、200、300、350、400、500)。
- 前記X線反射ユニット(3.1、3.2)が多層膜ミラーを含み、前記X線源(1)によって発生された前記X線(4)及び反射されたX線(4´)が単色であり、
前記多層膜ミラーの層厚が単色の前記X線(4、4´)の波長に整合されている、請求項1から8のいずれか1項に記載のX線装置(100、200、300、350、400、500)。 - 前記X線源(1)がさらに光学可視スペクトル光(11)を前記第1の方向(21)に沿って放射するように構成されており、
前記X線反射ユニット(3.1、3.2)が前記X線源(1)によって放射された前記光学可視スペクトル光(11)を反射するように構成されている、請求項1から9のいずれか1項に記載のX線装置(100、200、300、350、400、500)。 - 前記X線源(1)が、前記X線(4)を発生するように形成された1つの本来のX線源(1.1)を含み、また、
前記X線源(1)が、光学可視スペクトル光(11)を発生するように形成された1つまたは複数の光源(1.2)を含む、請求項10に記載のX線装置(100、200、300、350、400、500)。 - 患者支持装置(5)をさらに備え、
前記患者支持装置(5)が前記X線反射ユニット(3.1、3.2)と前記X線検出器(2)との間のX線(4´)のビーム光路内に配置され得る、請求項1から11のいずれか1項に記載のX線装置(100、200、300、350、400、500)。 - 前記X線源(1)と前記X線反射ユニット(3.1、3.2)とが、共通の第2の回転軸の周りに同時に回転可能である、請求項1から12のいずれか1項に記載のX線装置(100、200、300、350、400、500)。
- 前記X線反射ユニット(3.1、3.2)及び前記X線検出器(2)は、前記共通の第1の回転軸及び前記共通の第3の回転軸の両方の周りに回転可能なCアーム(8)に接してまたは前記Cアーム(8)の中に、配置されている、請求項1から13のいずれか1項に記載のX線装置(100、200、300、350、400、500)。
- 前記X線反射ユニット(3.2)が湾曲された結晶モノクロメータを含み、前記結晶モノクロメータが凹状湾曲を有する、請求項1から14のいずれか1項に記載のX線装置(100、200、300、350、400、500)。
- 請求項1から15のいずれか1項に記載のX線装置(100、200、300、350、400、500)を操作する方法であって、次のステップを含む方法:
-検査領域の受領(61)、
-前記X線反射ユニット(3.1、3.2)によって反射されたX線が前記検査領域を照射するための、X線反射ユニット(3.1、3.2)の位置および方向の少なくとも一方の第1回目の設定(62)、
-前記X線源(1)による前記X線(4)の発生(64)、および、
-前記X線検出器(2)による前記X線(4´)の検出(65)。 - 前記X線反射ユニット(3.1、3.2)の位置および方向の少なくとも一方が、前記X線(4、4´)の反射角が予め決められた反射角となるように調節される、請求項16に記載の方法。
- 前記X線検出器(2)を前記X線反射ユニット(3.1、3.2)によって反射されたX線(4´)に対して直交するように配置するための、X線検出器(2)の位置および方向の少なくとも一方の第2回目の設定(63)をさらに含む、請求項16または17に記載の方法。
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