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    Fast 3D Radiography with Multiple Pulsed X-ray Sources by Deflecting Tube Electron Beam using Electro-Magnetic Field
    6.
    发明申请
    Fast 3D Radiography with Multiple Pulsed X-ray Sources by Deflecting Tube Electron Beam using Electro-Magnetic Field 有权

    公开(公告)号：US20220313183A1

    公开(公告)日：2022-10-06

    申请号：US17412632

    申请日：2021-08-26

    申请人： Jianqiang Liu ,  Manat Maolinbay ,  Chwen-yuan Ku ,  Linbo Yang

    发明人： Jianqiang Liu ,  Manat Maolinbay ,  Chwen-yuan Ku ,  Linbo Yang

    IPC分类号： A61B6/00 ,  A61B6/02 ,  A61B6/08

    摘要： An X-ray imaging system using multiple pulsed X-ray sources to perform highly efficient and ultrafast 3D radiography is presented. There are multiple pulsed X-ray sources mounted on a structure in motion to form an array of sources. The multiple X-ray sources move simultaneously relative to an object on a pre-defined arc track at a constant speed as a group. Electron beam inside each individual X-ray tube is deflected by magnetic or electrical field to move focal spot a small distance. When focal spot of an X-ray tube beam has a speed that is equal to group speed but with opposite moving direction, the X-ray source and X-ray flat panel detector are activated through an external exposure control unit so that source tube stay momentarily standstill equivalently. 3D scan can cover much wider sweep angle in much shorter time and image analysis can also be done in real-time.

    Fast 3D Radiography with Multiple Pulsed X-ray Sources by Deflecting Tube Electron Beam using Electro-Magnetic Field
    7.
    发明申请
    Fast 3D Radiography with Multiple Pulsed X-ray Sources by Deflecting Tube Electron Beam using Electro-Magnetic Field 有权

    公开(公告)号：US20220313177A1

    公开(公告)日：2022-10-06

    申请号：US17692087

    申请日：2022-03-10

    申请人： Jianqiang Liu ,  Manat Maolinbay ,  Chwen-yuan Ku ,  Linbo Yang

    发明人： Jianqiang Liu ,  Manat Maolinbay ,  Chwen-yuan Ku ,  Linbo Yang

    IPC分类号： A61B6/02 ,  A61B6/00 ,  A61B6/04

    摘要： An X-ray imaging system using multiple pulsed X-ray source pairs in-motion to perform highly efficient and ultrafast 3D radiography is presented. The sources move simultaneously on arc trajectory at a constant speed as a group. Each individual source also moves rapidly around its static position in a small distance, but one moves in opposite direction to the other to cancel out linear momentum. Trajectory can also be arranged at a ring structure horizontally. In X-ray source pairs each moves in opposite angular direction to another to cancel out angular momentum. When an individual X-ray source has a speed that equals to group speed but an opposite linear or angular direction, the individual X-ray source is triggered through an external exposure control unit. This allows the source to stay relatively standstill during activation. 3D data can be acquired with wider view in shorter time and image analysis is real-time.