Methods The data of 281 patients with ureteral calculi treated by air pressure ballistic lithotriptor from April 1996 to October 2000 were reviewed.

• 方法对1996年4月至2000年10月间采用输尿管镜下气压弹道碎石术治疗的输尿管结石患者的临床资料进行回顾性分析。