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1. 发明授权

US5856673A Depth dose measuring apparatus 失效
标题翻译：深度剂量测量仪
公开(公告)号：US5856673A
公开(公告)日：1999-01-05
申请号：US810970
申请日：1997-02-27
申请人： Kazunori Ikegami , Hiroshi Nishizawa , Toshifumi Hayakawa
发明人： Kazunori Ikegami , Hiroshi Nishizawa , Toshifumi Hayakawa
IPC分类号： G01T1/161 , A61N5/10 , G01T1/20 , G01T1/202 , G01T5/08
CPC分类号： G01T5/08 , G01T1/202
摘要： In a depth dose measuring apparatus, a fluorescent substance block (1) bundling scintillation fibers of which radiation absorption characteristic is close to that of tissue, is disposed orthogonally to the incident direction of radiation (4-1). The fluorescence intensity distribution on the fiber end faces of the fluorescent substance block (1) is measured by an image measuring device (6). Therefore, the two-dimensional fluorescence intensity distribution in the incident direction of radiation and in another orthogonal direction, that is, the absorption dose distribution can be measured simultaneously by one irradiation. Moreover, if the fluorescent substance block (1) is composed by laminating plate-form scintillators, one-dimensional absorption dose distribution in the depth direction can be measured by one operation.
摘要翻译：在深度剂量测量装置中，将辐射吸收特性接近于组织的闪烁纤维捆扎的荧光物质块（1）与辐射入射方向（4-1）正交设置。通过图像测量装置（6）测量荧光物质块（1）的光纤端面上的荧光强度分布。因此，可以通过一次照射同时测量辐射入射方向和另一正交方向上的二维荧光强度分布，即吸收剂量分布。此外，如果荧光物质块（1）通过层叠板状闪烁体构成，则可以通过一次操作来测量深度方向上的一维吸收剂量分布。

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