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    • 1. 发明授权
    • Diagnostic radiology apparatus for producing layer images of an
examination subject
    • 用于产生检查对象的层图像的诊断放射学装置
    • US4336458A
    • 1982-06-22
    • US191430
    • 1980-09-29
    • Hans J. KrummeMartin SchmidtGuenter SchmittWolfgang Schubert
    • Hans J. KrummeMartin SchmidtGuenter SchmittWolfgang Schubert
    • G01N23/04A61B6/03G01T1/164G01T1/20A61B6/00H01J35/16
    • A61B6/032A61B6/4291G01T1/1644G01T1/20
    • In an exemplary embodiment, a measuring arrangement for irradiating the examination subject from different directions has a radiation source, a radiation receiver, and a computer connected to the radiation receiver for computing the attenuation values of specific image points of the irradiated body layer from the output signals of the radiation receiver. A collimator is present with a collimator grid compartment for each detector of the radiation receiver. Every detector is comprised of a scintillator crystal and a photoelectric transducer. The scintillator crystal is mounted on the surface of the photoelectric transducer such that the transducer is disposed between the associated collimator plate and the scintillator crystal. The scintillator crystal is coated, on its surface, with the exception of the surface confronting the photoelectric transducer, with an optical seal which can be light-reflecting on its side resting against the scintillator crystal.
    • 在示例性实施例中,用于从不同方向照射检查对象的测量装置具有辐射源,辐射接收器和连接到辐射接收器的计算机,用于从输出端计算被照射体层的特定图像点的衰减值 辐射接收器的信号。 存在准直器用于辐射接收器的每个检测器的准直器格栅室。 每个检测器由闪烁体晶体和光电传感器组成。 闪烁体晶体安装在光电转换器的表面上,使得换能器设置在相关联的准直器板和闪烁体晶体之间。 闪烁体晶体在其表面上被涂覆,除了与光电传感器相对的表面之外,具有可以在其侧面反射闪烁体晶体的光学反射的光学密封。