故障现象一扫描患者的腰椎,发现图像的信噪比严重下降,低于正常水平,图像模糊无法完成临床影像诊断。故障分析与判断检查扫描床,发现脊柱矩阵线圈(Sp ine Matrix Coil)垫板表面有尿液,擦拭干净后,打开线圈的垫板,发现垫板与线圈之间也有尿液,擦拭干净并晾干后,扫描水模,测试线 Symptoms of a scan of the patient’s lumbar spine and found that the image of a serious decline in signal-to-noise ratio, below normal levels, image ambiguity can not complete clinical imaging diagnosis. Failure Analysis and Judgment Check the scanning bed and found spine matrix coil (Spine Matrix Coil) pad surface urine, wipe clean, open the coil of the pad and found that there is also between the pad and the coil of urine, wipe clean and dry After dry, scan water mode, test line