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1. 发明申请

WO1997014017A1 METHOD AND APPARATUS FOR MEASURING RADIATION DOSE DISTRIBUTION 审中-公开
标题翻译：用于测量辐射剂量分布的方法和装置
公开(公告)号：WO1997014017A1
公开(公告)日：1997-04-17
申请号：PCT/US1996016065
申请日：1996-10-04
申请人： PHOTOELECTRON CORPORATION
发明人： PHOTOELECTRON CORPORATION , SLISKI, Alan, P. , DALTERIO, Michael , SMITH, Donald, O.
IPC分类号： G01D18/00
CPC分类号： G01T1/169 , A61N5/1048
摘要： This invention is a phantom apparatus (10) for measuring the radiation dose distribution produced by a brachy-therapy device used to treat a localized area with radiation. The brachy-therapy device includes an insertable probe (24) capable of producing predefined radiation dose geometries about a predefined point. The phantom apparatus (10) includes a tank (12) containing a medium having a radiological equivalent characteristic of the localized area to be treated. The phantom apparatus (10) also includes a radiation sensor (32) for measuring the radiation dose and a positioning system for moving the probe (24) with respect to the radiation sensor (32). The radiation sensor (32) is also coupled to a positioning system (50) to orient the sensor (32) for optimal dose measurements. The phantom apparatus (10) includes a control system (160) that coordinates the movements of the probe (24) and the radiation sensor (32) to avoid a collision. The control system (160) moves the probe (24) along a predefined path around radiation sensor (32) and records the dose at predefined points along the path. In order to reduce the settling time of the sensor (32), the path is selected to coincide with the isodose contours of the radiation dose distribution of the probe (24).
摘要翻译：本发明是一种用于测量由用于治疗具有辐射的局部区域的近距离治疗装置产生的辐射剂量分布的幻影装置（10）。近距离治疗装置包括能够产生关于预定义点的预定辐射剂量几何形状的可插入探针（24）。幻影装置（10）包括容纳具有待处理局部区域的放射性等效特性的介质的容器（12）。幻影装置（10）还包括用于测量辐射剂量的辐射传感器（32）和用于相对于辐射传感器（32）移动探针（24）的定位系统。辐射传感器（32）还耦合到定位系统（50）以定向传感器（32）以获得最佳的剂量测量。幻影装置（10）包括控制系统（160），其协调探针（24）和辐射传感器（32）的运动以避免碰撞。控制系统（160）沿着辐射传感器（32）周围的预定路径移动探测器（24），并将该剂量记录在沿着路径的预定点处。为了减小传感器（32）的建立时间，选择该路径以与探针（24）的辐射剂量分布的等剂量轮廓一致。

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