影响磁共振的几个外部因素  

Several external factors affecting magnetic resonance

作　　者：夏琼[1] 夏红林[2] 

机构地区：[1]南方医科大学南方医院医学影像系,广东广州510515 [2]南方医科大学南方医院设备科,广东广州510515

出　　处：《实验技术与管理》2014年第7期84-85,共2页Experimental Technology and Management

摘　　要：目的:探讨影响磁共振成像设备性能的外部因素。方法:根据磁共振成像设备的特点,分别分析了对磁共振成像有影响的外部因素,包括设备周边环境、射频屏蔽、空调、冷水机等。结果:外部因素会影响磁共振成像设备性能的发挥,会影响图像的质量,会导致设备故障。结论:处理好对磁共振成像设备有影响的外部因素,是有效发挥磁共振成像设备性能、获得高质量图像的保证。To discuss the external influencing factors on MRI performance .Methods ：According to the characteristic of MRI ,to analyze the external factors of MRI respectively ,including the surrounding environment of the equipment ,the shielding effectiveness of RF ,air conditioner ,cold water machine ,etc . Results：The external factors have important impacts on the performance of MRI ,which can affect the quality of the image and lead to failure of equipment .Conclusions ：The external factors should be well controlled in order to improve MRI performance and get high-quality images .

关 键 词：磁共振成像 周边环境 制冷系统 

分 类 号：R445.2[医药卫生—影像医学与核医学]