大功率花瓣加速器X射线闪光放射治疗设备设计研究  

Study on the design of X-ray Flash-RT equipment with high power petal accelerator

作　　者：廖树清[1] 何小中[1] 杨柳[1] 唐若 魏涛[1] 张卓[1] 石金水[1] 邓建军[1] Liao Shuqing;HeXiaozhong;Yang Liu;Tang Ruo;Wei Tao;Zhang Zhuo;Shi Jinshui;Deng Jianjun(Institute of Fluid Physics,China Academy of Engineering Physics,Mianyang 621900,China)

机构地区：[1]中国工程物理研究院流体物理研究所,绵阳621900

出　　处：《中国医学装备》2024年第1期21-23,28,共4页China Medical Equipment

摘　　要：目的:研究设计一种用于超高剂量率的闪光放射治疗(Flash-RT)设备,用于超高剂量率Flash-RT的机制研究。方法:Flash-RT设备的设计基于大功率花瓣加速器技术路线,可实现Flash-RT对超高剂量率及多照射角度的需求。从设备总体设计、主要组件及特点、束流动力学设计、移动及初步实验平台搭建等方面开展相应设计与研究。结果:设计的Flash-RT设备剂量率在距离靶点0.8 m处可达到100 Gy/s,并且容易实现多角度的放射治疗方式。结论:基于大功率花瓣加速器技术路线设计的X射线设备,可实现超高剂量率的医用Flash-RT设备机制的研究。Objective:To study and design one kind of flash radiotherapy(Flash-RT)equipment with ultra-high dose rate,which can be used in the mechanism research of Flash-RT with ultra-high dose rate.Methods:Based on the technique roadmap of high-power petal accelerator,the Flash-RT equipment can realize the requirement of Flash-RT for ultra-high dose rate and multiple irradiation angles.The corresponding design and research work were carried out on the basis of the overall design of the equipment,the main components and characteristics,the dynamics design of beam,the construction of movable and preliminary experimental platform,etc.Result:The dose rate of the designed equipment can reach to 100 Gy/s at a distance of 0.8 meters from the target point,which is easy to realize the radiotherapy method with multi angles.Conclusion:The designed X-ray equipment based on the technique roadmap of high-power petal accelerator can realize the research for the mechanism of medical Flash-RT equipment with ultra-high dose rate.

关 键 词：闪光放射治疗(Flash-RT) 花瓣加速器 超高剂量率 多角度 

分 类 号：R812[医药卫生—放射医学]