Then pneumatic ballistic lithotripsy was performed under endoscope to fragment and remove stone. [Results] Stones were removed from the bladderon one session in 16 cases.

• 方法经电切镜外鞘置入输尿管镜或肾镜，气压弹道将膀胱结石击碎取出。结果16例均顺利一次性将结石取尽。