新医科下图像引导放疗误差分析虚拟仿真教学培训系统的研发应用  

Design and Application of Virtual Simulation Teaching and Training System for Error Analysis of Image Guided Radiotherapy in New Medical Mode

作　　者：董芳芬 江柳清 郑芬 郭岚晏 宋文芳[1] 黄妙云 吴一旻[4] 徐本华[1,2,3,4] 李小波 DONG Fangfen;JIANG Liuqing;ZHENG Fen;GUO Lanyan;SONG Wenfang;HUANG Miaoyun;WU Yimin;XU Benhua;LI Xiaobo(School of Medical Technology and Engineering,Fujian Medical University,Fuzhou Fujian 350122,China;Department of Imaging,Fujian Medical University,Fuzhou Fujian 350122,China;Cancer Center,Fujian Medical University,Fuzhou Fujian 350122,China;Department of Radiotherapy,Fujian Medical University Union Hospital,Fuzhou Fujian 350001,China;Department of Engineering Physics,TsinghuaUniversity,Beijing 100084,China)

机构地区：[1]福建医科大学医学技术与工程学院,福建福州350122 [2]福建医科大学临床医学部影像学系,福建福州350122 [3]福建医科大学肿瘤中心,福建福州350122 [4]福建医科大学附属协和医院放疗科,福建福州350001 [5]清华大学工程物理系,北京100084

出　　处：《中国医疗设备》2021年第4期157-161,共5页China Medical Devices

基　　金：福建省教育科学规划办项目(FJJKCG20-369);福建省科技厅创新联合资金项目(2018Y9049);福建省财政厅专项资助项目(2018B055);福建医科大学项目库课题(1020-11001208);福建省科技厅引导性项目(2019Y0020)。

摘　　要：目的设计并实现图像引导放疗误差分析虚拟仿真教学培训系统,提高放疗工作人员及相关专业学生的操作技能,进一步推动精准放疗的发展。方法借助unity 3D构建VR场景模型、C#语言和vs2017编译器进行编程,对立体定向放射治疗图像验证过程进行虚拟仿真设计,注重VR场景构建、学习提示、答题考核、虚拟软件页面及动作触发设计等内容的研发,分为教学模式和考核模式。采用线上评分系统记录使用情况,并上传到“实验空间”进行测试反馈,设计调查问卷分析系统的应用价值。结果完成系统的开发,从2019年11月上线截至2020年7月,实验浏览量14985人次,实验测试489人次,实验通过率86.7%。回收实验应用价值调查有效问卷84份,其中90.47%的人认为图像引导放射治疗虚拟仿真教学培训系统的开发是有必要的,90.48%的人觉得能掌握知识点。结论应用虚拟仿真技术对图像引导放疗误差分析系统进行设计研发,具有可行性及应用价值,值得推广。Objective To improve the operation skills of radiotherapy staff and students of related majors,and further promote the development of precision radiotherapy,a virtual simulation teaching and training system for image guided radiotherapy error analysis was designed and implemented.Methods Based on unity 3D to build VR model,using C#language and vs2017 compiler programming to research and develop the process of image acquisition and matching of stereotactic radiotherapy.VR scene construction,learning tips,test answer,virtual software page and action trigger design were focused on,which were divided into teaching mode and assessment mode.The online scoring system was used to record the usage and upload it to“Experimental Space”for test feedback,and the questionnaire was designed to analyze the application value of the system.Results The development of the system has been completed.From November 2019 to July 2020,the number of experimental visitors was 14985,and the number of experimental tests was 489,with a passing rate of 86.7%.A total of 84 valid questionnaires of experimental application value survey were collected,90.47% of them thought that it was necessary to develop virtual simulation teaching platform of image guided radiotherapy,and 90.48% thought that they could master knowledge points.Conclusion The application of virtual simulation technology to the experimental course of image guided error analysis of radiotherapy technology is feasible and worth popularizing.

关 键 词：图像引导 放疗误差 虚拟仿真 设计及应用 

分 类 号：R730.55[医药卫生—肿瘤]