Double location electromagnetic wave was used to treat 387 patients with urinary stone, 197 of them had calculus of kidney, 158 ureterolith, 32 vesical calculus.

• 用双定位电磁波碎石机治疗泌尿系结石387例,其中肾结石197例,输尿管结石158例,膀胱结石32例,结果结石粉碎率为99。