目前,肾内小结石可经皮经肾摘除,输尿管远端结石亦能直接经输尿管镜取出。但结石位于输尿管近端或中段,用以上方法摘除均有困难,并发症也高。作者等在伦敦大学医院介绍用逆行输尿管插导管、Dormia取石篮直接推挤或经导管注水冲击的方法将输尿管中段的嵌顿结石推入肾盂,然后经皮作肾造瘘摘 At present, small renal calculus can be transdermally removed by the kidneys, distal ureteral stones can also be directly removed by ureteroscopy. But the stones in the proximal ureter or middle, with the above methods are difficult to remove, complications are high. The author at the University Hospital of London introduced the use of retrograde ureter catheter, Dormia stone basket directly push or catheter water injection method will be in the middle of the ureter stone incarcerated into the renal pelvis, and then as a nephrostomy