剖宫产术中，常因外阴消毒，出血、羊水外溢而致导尿管固定不牢或牵拉易脱出，使术中膀胱充盈，妨碍手术进行。因已铺好无菌巾，术中重插导尿管困难。我院在剖宫产术中用双腔导尿管已2000余例，无1例出现以上情况，保证了手术的顺利进行。现介绍如下。囊状导尿管有三腔和双腔两 Cesarean section, often due to genital disinfection, bleeding, catheterization caused by amniotic fluid spillage caused by loose or easy to pull out the prolapse, the intraoperative bladder filling, hindering the operation. Due to the sterile cloth has been paved, intraoperative re-inserted catheter difficult. Our hospital in cesarean section with double lumen catheter has more than 2000 cases, no one case of the above situation, to ensure the smooth operation. Now introduced as follows. Cystic catheters have three chambers and two chambers