取体重2.5公斤、雄性、新西兰种白兔,全身麻醉,所用手术器械、敷料均应事先灭菌消毒,手术要保持无菌操作。将兔腹下部剃毛,于阴茎前5—7厘米作腹正中切口,暴露膀胱于腹腔外,在膀胱腹侧壁顶端作直径0.75厘米的荷包缝合,于缝合中央切一小口,将一条60厘米长、2.2毫米内径的双翼导尿管(图1)的末端从切口插入膀胱内,并将导尿管末端之一翼缝在膀胱壁上,然后扎紧荷包缝合丝线。于近膀胱顶端之腹壁分离一小孔,将导尿管游 Take a body weight of 2.5 kg, male, New Zealand white rabbits, general anesthesia, surgical instruments used, dressing should be sterilized in advance, surgery to maintain aseptic operation. The lower abdomen was shaved in the abdomen, 5-7 cm before the penis for abdominal incision, exposing the bladder in the abdominal cavity, the top of the bladder ventral wall for 0.75 cm diameter purse suture, cut a small mouth in the suture, a 60 cm The distal end of a long, 2.2 mm ID bi-wing catheter (Figure 1) is inserted into the bladder through the incision and one of the distal end of the catheter is sewn to the bladder wall and the purse-string suture is tightened. Near the top of the bladder wall separation of a small hole, the catheter tour