Conclusions Placed Double-J stent is an effective procedure for the upper urinary tract disease.Double-J stent should be inserted in patients with complicated ureteral calculi before ESWL.

• 结论上尿路疾病的各种开放性手术,最好选双J管内引流及支架,肾盂内较大结石行ESWL前经尿道膀胱镜置入双J管。