基于CT模拟机的治疗等中心计算程序的设计与实现  

Design and Implementation of Therapy Iso-Center Calculation Program Based on CT-Simulator

作　　者：吕懂霞 时飞跃[2] 付林 秦伟[2] 王敏[2] 庄洁颖 蒋红兵[1,4] LV Dongxia;SHI Feiyue;FU Lin;QIN Wei;WANG Min;ZHUANG Jieying;JIANG Hongbing(Department of Clinical Medical Equipment,Nanjing First Hospital,Nanjing Medical University,Nanjing Jiangsu 210006,China;Radiation Therapy Center,Nanjing First Hospital,Nanjing Medical University,Nanjing Jiangsu 210006,China;Information Statistics Center,Nanjing First Hospital,Nanjing Medical University,Nanjing Jiangsu 210006,China;Nanjing Emergency Medical Center,Nanjing Jiangsu 210003,China)

机构地区：[1]南京医科大学附属南京医院(南京市第一医院)临床医学工程处,江苏南京210006 [2]南京医科大学附属南京医院(南京市第一医院)肿瘤放疗中心,江苏南京210006 [3]南京医科大学附属南京医院(南京市第一医院)信息统计中心,江苏南京210006 [4]南京市急救中心,江苏南京210003

出　　处：《中国医疗设备》2024年第11期33-38,共6页China Medical Devices

基　　金：国家自然科学基金(81773240);南京市医学科技发展资金“青年工程”人才培养专项经费资助项目(QRX11033)。

摘　　要：目的设计可移动式激光灯和CT扫描床的位置计算程序,用于确定放疗患者的治疗等中心。方法使用Spring Boot系统框架,设计治疗等中心计算程序(Therapy Iso-Center Calculation Program,TICP)。操作人员输入可移动式激光灯和CT扫描床的初始位置数据及计划位移数据,TICP能够自动计算治疗等中心对应激光灯和CT扫描床的最终位置。选取36组随机位移数据,使用模体对该程序进行准确性测试。结果TICP实现了治疗等中心对应位置的自动计算、历史记录查看、报表打印以及权限分配等功能。程序测试结果显示,左右(X)及腹背(Z)方向的偏差∆x和∆z均值分别为0.4和0.3 mm,头脚(Y)方向误差∆y≤1 mm;3个方向在偏差等级范围R_(a)内共有65组,R_(b)共有35组,R_(c)共有8组,不同方向上的平移误差等级差异均有统计学意义(P<0.05)。结论使用该程序可有效辅助CT模拟机下确定治疗等中心的工作,提高放疗工作效率。Objective To design a calculation program for positions of movable lasers and CT scanning bed,to determine the radiotherapy isocenter for patients.Methods The therapy iso-center calculation program(TICP)was designed by using Spring Boot system structure.With inputting the initial position data of the movable lasers light and CT scanning bed,and planned displacement data,TICP automatically calculated the final position of the laser light and CT scanning bed corresponding to the radiotherapy isocenter.Then 36 groups of random displacement data was selected to test the accuracy of program by using phantom.Results TICP realized the functions of automatic calculation of radiotherapy isocenter position,historical records query,report printing,and power and responsibility division.The test results showed that the deviation∆x(left and right,X direction)and∆z(front and back,Z direction)were 0.4 and 0.3 mm.The deviation∆y(head and foot,Y direction)was less than 1 mm.There were a total of 65 groups in the range of R_(a) deviation grade in the three directions,35 groups in the range of R_(b) deviation grade,and 8 groups in the range of R_(c) deviation grade.There was a significant difference in the grade of transverse error between different directions(P<0.05).Conclusion By using the TICP,it can assist the work of determining the radiotherapy isocenter under the CT-simulator effectively,and improve the related radiotherapy work efficiency.

关 键 词：放射治疗 治疗等中心计算程序(TICP) CT模拟机 CT扫描床 可移动式激光灯 治疗等中心 准确性测试 

分 类 号：R197.39[医药卫生—卫生事业管理]