一、方法肾造瘘的方法同既往大致相同,但现在是一期性的,即在造瘘当日摘除结石。因此不用周麻,行硬膜外麻醉。安全金属导线的装置:首先扩张肾瘘在24F左右后,使金属导线同20F的扩张器随加了盖的22F的尿道切开镜鞘到达肾脏。拨去扩张器,除留下一根金属导线外,把另一根导线通过尿道切开镜鞘送到肾脏。在两根导线中,把先端位置好的一根用针线固定在皮肤上,作为安全导线。肾结石的摘除:结石在透视下能确认其大小及构 First, the method of nephrostomy method with the past roughly the same, but now is a one-time, that is removed in the day of fistula stones. Therefore, no Zhouma, epidural anesthesia. Safety metal wire device: First expansion of renal fistula in the 24F or so, so that the metal wire with the 20F dilator with the cap 22F urethral incision open to the kidneys. Remove the dilator, in addition to leaving a metal wire, the other wire through the urethral incision sheath sent to the kidneys. In the two wires, the tip of a good place with a needle fixed to the skin, as a safety wire. Removal of kidney stones: stone in the perspective to confirm the size and structure