医用数字X线摄影系统性能检测和质量控制研究  

Research on Performance Testing and Quality Control of Medical Digital Radiography System

作　　者：胡益斌[1] 扈尚泽 

机构地区：[1]江苏省人民医院临床医学工程处,江苏南京210029 [2]江苏省计量科学研究院,江苏南京210007

出　　处：《中国医疗设备》2013年第10期59-61,58,共4页China Medical Devices

摘　　要：目的为解决医用数字X线摄影系统的性能检测和质量控制问题,研究一套切实可行的检测方案。方法采用诊断水平剂量计探测器、非介入kV表的探测器、空间分辨力测试卡、低对比度分辨力模体、衰减模体及数字影像综合测试卡对医用数字X线摄影系统的参数进行测试。结果通过对实验数据进行分析,确定性能指标和检测方案。结论该医用数字X线摄影系统的性能检测方案,可以保证系统的技术性能和影像质量。Objective To develop the practical detection scheme to solve the issues of performance testing and quality control of medical digital radiography system. Methods Testing various parameters of medical digital radiography system with dosimeter, non-invasive kV table detector, test card of spatial resolution, low contrast resolution model, attenuation model and comprehensive test card of digital images. Results Performance indicators and detection scheme are determined by analyzing experimental data. Conclusion The experimental data can maintain the technical performance and image quality of medical digital radiography system.

关 键 词：医用数字X线摄影系统 剂量计 非介入kV表 空间分辨力测试卡 低对比度分辨力模体 衰减模体 

分 类 号：TH774[机械工程—仪器科学与技术] R197.39[机械工程—精密仪器及机械]