膀胱镜下行输尿管肾盂插管必须在手术室进行 ,在备有Ｃ臂机的单位 ,进行逆行插管的同时可作逆行造影 ,既省时迅速 ,又可提高影像诊断的效果 ,我们对拍片时的体位作了改进 ,更加方便了逆行造影的操作过程 ,具体介绍如下。1　临床资料与方法选择身高在 1.5米～ 1.8米的病人 31例 Cystoscopic ureteroscopic ureteral catheterization must be carried out in the operating room, equipped with C-arm unit, retrograde intubation at the same time can make retrograde angiography, both time-saving and can improve the diagnostic imaging results, when we filming The position has been improved, more convenient retrograde angiography of the operation, the specific introduction is as follows. 1 Clinical data and methods Select height of 1.5 meters to 1.8 meters in 31 patients