PROBLEM TO BE SOLVED: To provide an X-ray apparatus compatible with dynamic 3D-DSA which is capable of kinetic observation and three-dimensional reconfiguration and is suitable for an intravascular surgery and an photographing during surgery.SOLUTION: An X-ray apparatus includes: a tube voltage generation device 13 for generating tube voltage so as to generate X-ray from an X-ray tube device 12 a two-dimensional imaging device 14 for detecting an X-ray having transmitted a subject a support mechanism for supporting the X-ray tube device 12 and the imaging device 14 so that they can freely rotate around the subject a controller 20 for controlling the tube voltage generation device 13, the imaging device 14, and the support mechanism so as to repeat rotated photography operation K times while changing photography start angles, the operation where the X-ray tube device 12 and the imaging device 14 repeat photography while rotating around the subject and an image generator 24 for generating a Fourier space where elapsed times from start of photography operation or radiography start are almost the same by interpolation processing from a plurality of voxel groups obtained by the K times photography operation and performing three-dimensional discrete Fourier transformation of the generated Fourier space.COPYRIGHT: (C)2014,JPO&INPIT【課題】動態観察ができ、三次元再構成ができ、血管内手術や術中撮影に適し、ダイナミック3D-DSA対応のX線撮影装置を提供する。【解決手段】X線管装置12からX線を発生させるために管電圧を発生する管電圧発生装置13と、被検体を透過したX線を検出する2次元の撮像デバイス14と、X線管装置12と撮像デバイス14とを被検体の周囲を回転自在に支持する支持機構と、X線管装置12と撮像デバイス14とが被検体の周囲を回転しながら撮影を繰り返す回転撮影動作を撮影開始角度を変えながらK回繰り返すように管電圧発生装置13、撮像デバイス14及び支持機構を制御する制御装置20と、K回の撮影動作により得られた複数のボクセルグループから補間処理により撮影動作の開始又は造影開始からの経過時間が略同一を示すフーリエ空間を生成し、生成したフーリエ空間を3次元離散フーリエ変換する画像生成装置24とを具備する。【選択図】図3
