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    • 3. 发明授权
    • Examination system utilizing ionizing radiation and a flexible,
miniature radiation detector probe
    • 使用电离辐射的检查系统和灵活的微型辐射探测器探头
    • US5568532A
    • 1996-10-22
    • US289918
    • 1994-08-12
    • Stanislaw MajewskiBrian J. KrossCarl J. ZornLukasz A. Majewski
    • Stanislaw MajewskiBrian J. KrossCarl J. ZornLukasz A. Majewski
    • A61B6/00A61B6/14G01N23/04H05G1/64
    • H05G1/64A61B6/145A61B6/4028A61B6/425G01N23/04
    • An optimized examination system and method based on the Reverse Geometry X-Ray.RTM. (RGX.RTM.) radiography technique are presented. The examination system comprises a radiation source, at least one flexible, miniature radiation detector probe positioned in appropriate proximity to the object to be examined and to the radiation source with the object located between the source and the probe, a photodetector device attachable to an end of the miniature radiation probe, and a control unit integrated with a display device connected to the photodetector device. The miniature radiation detector probe comprises a scintillation element, a flexible light guide having a first end optically coupled to the scintillation element and having a second end attachable to the photodetector device, and an opaque, environmentally-resistant sheath surrounding the flexible light guide. The probe may be portable and insertable, or may be fixed in place within the object to be examined. An enclosed, flexible, liquid light guide is also presented, which comprises a thin-walled flexible tube, a liquid, preferably mineral oil, contained within the tube, a scintillation element located at a first end of the tube, closures located at both ends of the tube, and an opaque, environmentally-resistant sheath surrounding the flexible tube. The examination system and method have applications in non-destructive material testing for voids, cracks, and corrosion, and may be used in areas containing hazardous materials. In addition, the system and method have applications for medical and dental imaging.
    • 提出了基于反向几何X射线TM(RGX TM)射线照相技术的优化检测系统和方法。 检查系统包括辐射源,至少一个柔性的微型辐射探测器探头,其定位在适当接近待检测物体的位置,并且辐射源与物体位于源和探头之间,光电检测器可连接到一端 的微型辐射探头,以及与连接到光电检测器装置的显示装置集成的控制单元。 微型辐射探测器探头包括闪烁元件,柔性光导,其具有与闪烁元件光学耦合的第一端,并具有可连接到光电检测器件的第二端,以及围绕柔性光导的不透明的环保护套。 探头可以是便携式的和可插入的,或者可以固定在被检查物体内的适当位置。 还提供了一种封闭的,柔性的液体光导,其包括薄壁柔性管,容纳在管内的液体,优选矿物油,位于管的第一端的闪烁元件,位于两端的封闭件 的管,以及围绕柔性管的不透明的,耐环境的护套。 检测系统和方法适用于空隙,裂纹和腐蚀的无损材料试验,可用于含有危险物质的区域。 此外,该系统和方法具有医疗和牙科成像的应用。