经皮肾输尿管取石虽已被肯定为定型的手术方法,但往往需要添置新的器械和设备,在许多情况下,购置这些器械的预算不是没有困难的。作者将ACMI公司制造的尿道切开镜经过改造后,作为硬性肾盂镜使用。改造方法:拆除尿道切开镜的切开刀的固定装置,通过切开刀进入的孔道,插入5F的软管钳即可作取石用。作者认为,用此装置取出5～7mm大小的结石 Although percutaneous nephrolithotomy has been affirmed as a surgical method of fixation, it often requires new equipment and equipment, in many cases, the budget of the purchase of these devices is not without difficulty. The author modified ACMI’s urethrotomy and used it as a rigid pyeloscopy. Retrofit method: Removal of urethrotomy incision opener fixation device, through the incision into the hole, insert the 5F hose clamp can be used for stone. The author believes that the device used to remove the size of 5 ~ 7mm stones