泌尿系结石形成的机理至今尚未完全了解。所以病因学治疗和有效地预防结石的复发仍不能实现,迄今通过手术摘除结石仍是唯一的治疗方法。但从肾脏或输尿管中取出一枚相当小的结石,往往需要一个损伤较大的切口,这是手术的最大不足之处。非手术性摘石术是将各种器械引入肾盂输尿管,通过拨动、推 The mechanism of urolithiasis has not yet been fully understood. Therefore, the etiology of treatment and effective prevention of recurrence of stones still can not be achieved, so far the removal of stones by surgery is still the only treatment. However, removing a relatively small stone from the kidneys or ureters often requires a more invasive incision, which is the biggest drawback of surgery. Non-surgical lithotomy is the introduction of various devices into the ureteropelvic, by dialing, pushing