Methods:Patients were kept in contralateral prone position and shock wave was focused on distal ureteral stone by contralctaral lower abdomen during the fragmenting of the stone.

• 方法：让患者健侧俯卧于冲击波源一侧，使冲击波经健侧下腹壁聚焦于对侧输尿管末端的结石上，将结石粉碎。