GE Signa HDxt 1.5T核磁共振梯度系统故障排除  

Troubleshooting of GE Signa HDxt 1.5T NMR Gradient System

作　　者：王爱军 WANG Aijun(Department of Radiology,General Hospital of Ningxia Medical University,Yinchuan Ningxia 750004,China)

机构地区：[1]宁夏医科大学肿瘤医院放射科,宁夏银川750004

出　　处：《中国医疗设备》2020年第12期181-183,共3页China Medical Devices

摘　　要：为了快速确定GE Signa HDxt 1.5T核磁共振梯度系统常见故障的根本原因,论文对常见故障进行汇总,依据设备日志提供的错误信息,同时根据该设备梯度电源控制板和梯度放大器控制板指示灯提供的状态信息,共同确定故障原因,并找到故障元器件进行更换,尽量不整体更换梯度放大器和梯度电源次数,降低维修费用。In order to quickly identify the root causes of common faults in GE Signa HDxt 1.5T NMR gradient system,this paper summarizes the common faults,according to the error information provided by the equipment log and the status information provided by indicator lamp of the control board of equipment’s gradient power supply and gradient amplifier,jointly identify the cause of the failure,and find the fault components for replacement.The purpose is not to replace the gradient amplifier and gradient power supply as a whole,so as to reduce maintenance cost.

关 键 词：核磁共振 梯度电源 梯度放大器 伪影 故障排除 

分 类 号：R445.2[医药卫生—影像医学与核医学] TH774[医药卫生—诊断学]