Methods The cecocolon and ascending colon of two free teniae coli were excised to make a urine-storage reservoir.The original appendix was used to form output duct through navel.

• 方法全组病例均选用间断切断两条游离结肠带的盲、升结肠做储尿囊,根部不做任何处理的原形阑尾经脐孔引出做输出道。