PET DETECTOR MODULE USING GAPD COMPOSED OF LARGE AREA MICRO-CELLS
    12.
    发明申请
    PET DETECTOR MODULE USING GAPD COMPOSED OF LARGE AREA MICRO-CELLS 有权
    使用大面积微细胞组成的GAPD的PET检测器模块

    公开(公告)号:US20110263965A1

    公开(公告)日:2011-10-27

    申请号:US12904584

    申请日:2010-10-14

    IPC分类号: A61B5/055 G01T1/20

    摘要: Provided is a positron emission tomography (PET) detector module using Geiger-mode avalanche photodiode (GAPD) as a photosensor. The PET detector module includes: a PET detector unit comprising a scintillation crystal detecting gamma rays emitted from a living body and converting them into a flash of light and a first GAPD photosensor and a second GAPD photosensor each being connected to either end of the scintillation crystal and converting the light flash into an electrical signal; and a reaction depth determination unit receiving the signals from the PET detector unit and comparing amplitude of the signals detected by the first GAPD photosensor and the second GAPD photosensor, thereby determining the position where the gamma rays are incident on the scintillation crystal (reaction depth). The disclosed PET detector module can provide high energy and high energy and reaction depth data while maintaining linearity.

    摘要翻译: 提供了使用盖革模式雪崩光电二极管(GAPD)作为光电传感器的正电子发射断层摄影(PET)检测器模块。 PET检测器模块包括:PET检测器单元,其包括检测从活体发射的γ射线并将其转换成闪光的闪烁晶体,以及第一GAPD光电传感器和第二GAPD光电传感器,每个连接到闪烁晶体的任一端 并将闪光灯转换成电信号; 以及反应深度确定单元,接收来自PET检测器单元的信号,并比较由第一GAPD光传感器和第二GAPD光传感器检测的信号的幅度,从而确定伽马射线入射到闪烁晶体上的位置(反应深度) 。 所公开的PET检测器模块可以提供高能量和高能量和反应深度数据,同时保持线性。