作者：徐建一, 邹绪春, 张友德, 戴黎明

作者单位：中国测试技术研究院, 四川成都 610021

关键词：体中心剂量; 三维调强放疗; 剂量分布检验; 环状阵列式探测器; 治疗计划系统

摘要：

本文介绍了最新研制的TQ-2000型多通道剂量仪基本原理和技术性能。主要应用包括:患者重要器官在放疗时的剂量测量和剂量监测;全身照射入口剂量和出口剂量及透射率测量;体内中心剂量测量;三维适形调强放疗剂量分布测量和相应的计划系统剂量分布检验;放疗设备和后装机系统稳定性测量;辐射场分析及剂量分布测量等。它与体模配套使用,能进行体内外剂量测量。

Model:TQ-2000 multi-channel dose measure instrument

XU Jing-yi, ZOU Xu-chun, ZHANG You-de, DAI Li-ming

National Institute of Measurement and Testing Technology, Chengdu 610021, China

Abstract: This paper presents the basic principle and technique functions of the newest instrument-" Model TQ-2000, MultiChannels Dose Measure Instrument". The main applications of the instrument include:the measure and monitor of dose in patient' s important organs in radiation therapy; the measurement of the whole body import or export radiation dose and the power rate of radiation transmission; the measurement of center-body dose; the dose distribution measurement in the 3D intensity-modulated radiation therapy and homologous verification of dose distribution of the planning system; the measurement of system stability in radiotherapy instrument and loader-after device; analysis of field and dose distribution measurement. This machine can also measure the dose inside or outside body by applying the phantom.

Keywords: Center body dose; 3D intensity-modulated radiation therapy(3D-IMRT); Verification of dose distribution; Ring detector array; Treatment planning system(TPS)

2005, 31(6): 136-138  收稿日期: 2005-1-6;收到修改稿日期: 2005-3-22

基金项目: 

作者简介: 徐建一(1953-),男,高级工程师,主要从事电离辐射计量研究。

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