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    • 3. 发明授权
    • Proton beam digital imaging system
    • 质子束数字成像系统
    • US5825845A
    • 1998-10-20
    • US739512
    • 1996-10-28
    • Mark S. BlairDavid A. LesynaPengyue James LinJagadish P. SamantaraiBerry B. Yeldell
    • Mark S. BlairDavid A. LesynaPengyue James LinJagadish P. SamantaraiBerry B. Yeldell
    • A61N5/10
    • A61N5/1049A61N2005/1061A61N2005/1062A61N2005/1087A61N5/1069
    • A proton beam digital imaging system comprising an X-ray source which is movable into the treatment beam line that can produce an X-ray beam through a region of the patient. An X-ray receiver receives the X-ray beam after it has passed through the patient and the X-ray receiver generates photons that correspond to the X-ray image. The photons are directed to a TEC CCD camera to produce a patient orientation image which displays the orientation of the center of the beam relative to selected monuments in the patient's skeletal structure. The system also receives a master prescription image which displays the target isocenter with respect to the same selected monuments of the patient's skeletal structure. By comparison of the relative positions of the center of the beam in the patient orientation image and the isocenter in the master prescription image with respect to the selected monuments, the amount and direction of movement of the patient to make the beam center correspond to the target isocenter is determined.
    • 一种质子束数字成像系统,其包括可移动到治疗束线中的X射线源,其可以通过患者的区域产生X射线束。 X射线接收器在通过患者之后接收X射线束,并且X射线接收器产生与X射线图像相对应的光子。 光子被引导到TEC CCD照相机以产生患者取向图像,其显示相对于患者骨骼结构中的选定纪念碑的光束中心的取向。 系统还接收相对于患者骨骼结构的相同选定纪念碑显示目标等角点的主处方图像。 通过比较患者取向图像中的梁的中心和主处方图像中相对于所选择的纪念碑的等角点的相对位置,患者的移动量和方向使得束中心对应于目标 确定等角点。