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1. 发明申请

WO2003003923A2 METHOD AND SYSTEM FOR ENDOVASCULAR RADIATION DETECTION 审中-公开
标题翻译：用于脑血管内放射检测的方法和系统
公开(公告)号：WO2003003923A2
公开(公告)日：2003-01-16
申请号：PCT/CA2002/001025
申请日：2002-07-05
申请人： ANGIOGENE INC. , LEBLANC, Philippe , LECLERC, Guy , SIMI, Céline , CARRIER, Raymond
发明人： LEBLANC, Philippe , LECLERC, Guy , SIMI, Céline , CARRIER, Raymond
IPC分类号： A61B6/00
CPC分类号： A61B6/4057 , A61B5/0059 , A61B5/4839 , A61B6/425 , A61B6/4258 , G01T1/161 , G01T1/2014
摘要： A photostimulable material is introduced in a blood vessel or body cavity, within an animal or human body, where a radioactive agent (comprising for example beta-emitting 32 P atoms) has been locally delivered and where radiation measurements have to be taken in order to control the delivery efficiency. The photostimulable material is exposed to radiation, carrying image information of the beta-emitting source of radiation, and a latent image is stored into the photostimulable material. Then the photostimulable material is exposed to stimulating light, which causes the photostimulable material to emit light in proportion of the amount of energy stored during radiation exposure, hence in proportion of the amount of radioactive agent present in the region of interest. The emitted light is collected by a light collection system and measured by a photoelectric device. Therefore, a two-dimensional image signal, representing the distribution of the radioactive agent in the blood vessel or body cavity, is obtained.
摘要翻译：将可光激励的物质引入动物或人体内的血管或体腔中，其中放射性试剂（包含例如β发射32 P原子）已经在当地交付，并且必须进行辐射测量以控制交付效率。可光激励材料暴露于辐射，携带辐射β发射源的图像信息，并且将潜像存储在可光激励材料中。然后将可光激励的材料暴露于刺激光下，这导致可光激励的材料按照辐射暴露过程中所储存的能量的比例发射光，因此以目标区域中存在的放射性剂量的比例发光。发射的光由光收集系统收集并由光电装置测量。因此，获得表示放射性试剂在血管或体腔中的分布的二维图像信号。

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