肾结石术中常会发生肾盂撕裂，尤其是遇到肾内肾盂或结石过大时，术中肾盂撕裂的机会更为多见。有些铸形结石造成嵌顿，且多合并有感染，组织水肿及脆性增加，取石时极易造成肾盂撕裂，甚至可致肾内大出血。为防止漏尿和肾盂及肾盂输尿管交界部吻合口狭窄，近几年来，我们对术 Renal calculus surgery often occurs in renal pelvis tear, especially in case of renal pelvis or stones is too large, the chance of intraoperative renal pelvis tear more common. Some cast-shaped stones cause incarceration, and more complicated with infection, tissue edema and increased brittleness, stone can easily lead to tearing of the renal pelvis, or even cause intrarenal hemorrhage. In order to prevent leakage and renal pelvis and ureteropelvic junction anastomotic stenosis, in recent years, we surgery