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    • 1. 发明申请
    • PROTON BEAM DIGITAL IMAGING SYSTEM
    • 原子光束数字成像系统
    • WO1998018523A1
    • 1998-05-07
    • PCT/US1997019236
    • 1997-10-27
    • LOMA LINDA UNIVERSITY MEDICAL CENTER
    • LOMA LINDA UNIVERSITY MEDICAL CENTERBLAIR, Mark, S.LESYNA, David, A.LIN, Pengyue, JamesSAMANTARAI, Jagadish, P.YELDELL, Berry, B.
    • A61N05/10
    • A61N5/1049A61N5/1069A61N2005/1061A61N2005/1062A61N2005/1087
    • 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,包括可移动到治疗束线中的X射线源,X射线源可以通过患者的区域产生X射线束。 X射线接收器在穿过患者之后接收X射线束,并且X射线接收器产生对应于X射线图像的光子。 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。 该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光束中心与主处方图像中的等中心相对于所选择的纪念碑的相对位置,使患者的移动量和方向使得束中心对应于目标 确定等角点。