摘要
目的研制一套可对超声探头进行性能评价的系统,方便对临床在用探头进行性能检测及质量控制。方法运用频域分析和可视化技术,基于超声脉冲回波测试方法,实现对超声探头的信号灵敏度、中心频率和相对带宽等主要声学性能参数进行检测。结果研制了一套超声探头临床质控和性能检测系统,可对多个厂家型号的设备探头主要性能参数进行检测评价。结论在用超声探头检测系统灵敏度高、容易操作,可进行超声探头的预防性检测,对在用超声诊断设备的日常质量控制及性能评价具有重要实用价值。
Objective To design a system for evaluating the performance of ultrasound probes to facilitate performance testing and quality control of clinical probes in use.Methods Based on ultrasonic pulse echo testing method,frequency domain analysis and visualization technology were used to realize the detection of the main acoustic performance parameters of ultrasonic probe such as signal sensitivity,central frequency and relative bandwidth.Results A set of ultrasonic probe clinical quality control and performance testing system was designed,which could be used to test and evaluate the main performance parameters of the probe of several manufacturers.Conclusion The ultrasonic probe detection system has high sensitivity and is easy to operate,and can be used for the preventive detection of ultrasonic probe,which has important practical value for the daily quality control and performance evaluation of ultrasonic diagnostic equipment.
作者
贾龙洋
王龙辰
胡兵
JIA Longyang;WANG Longchen;HU Bing(Department of Ultrasound Medicine,The Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University,Shanghai 200233,China)
出处
《中国医疗设备》
2020年第2期18-20,共3页
China Medical Devices
基金
国家重点研发计划（2017YFC0113800
2017YFC0113801）
上海市重中之重医学影像重点学科（2017 ZZ 02005）
关键词
超声探头
性能检测
灵敏度
质量控制
超声诊断设备
ultrasonic probe
performance test
sensitivity
quality control
ultrasonic diagnostic equipment
