摘要
目的探讨对Siemens AG医用诊断磁共振成像设备的状态进行检测和评估的方法。方法采用Victoreen 76-908型模体,对Siemens AG医用诊断磁共振成像设备的性能进行检测和评估,检测标准参照国际标准和我国相关行业标准。检测指标包括影像均匀性、几何畸变率、层厚(偏差)、空间线性或高对比空间分辨力、纵横比、信噪比。结果 Siemens AG医用诊断磁共振成像设备的性能良好,其各项检测指标均符合相关标准。影像均匀性、几何畸变率、层厚偏差、高对比空间分辨力、纵横比、信噪比分别为100%、96.9%、96.9%、97.0%、96.9%和100%。结论我院Siemens AG医用诊断磁共振成像各项检测指标均符合相关标准,2017年可以继续投入到临床使用。
Objective To explore how to detect and evaluate the state of Siemens AG medical diagnostic MRI equipment.Methods According to international standards and relevant industry standards in China,the performance of Siemens AG magnetic resonance imaging equipment was examined and evaluated by using the Victoreen76-908phantom.The detection indexes included image uniformity,geometric distortion rate,layer thickness(deviation),spatial linearity or high contrast spatial resolution,aspect ratio and signal to noise ratio.Results The study results showed that the performance of Siemens AG magnetic resonance imaging equipment in our hospital was good,and all the indexes were in accordance with the relevant standards.Image uniformity,geometric distortion rate,thickness deviation,high contrast spatial resolution,aspect ratio,signal to noise ratio were100%,96.9%,96.9%,97%,96.9%and100%,respectively.Conclusion The detection indexes of Siemens AG magnetic resonance imaging equipment in our hospital are in accordance with the relevant standards,and the device can be applicated for clinical use in2017.
作者
王海红
WANG Hai-hong(Department of Equipment, the Second Hospital of Ningbo, Ningbo Zhejiang 315000, China)
出处
《中国医疗设备》
2017年第8期96-97,103,共3页
China Medical Devices
关键词
核磁共振成像
检测体模
影像均匀性
信噪比
设备性能
MRI
testing phantom
imaging uniformity
signal to noise ratio
device performance
