导尿是临床经常进行的一项操作,比较简单.然而有时也会遇到困难,如尿道狭窄,粘膜水肿,软质导尿管不能插人膀胱,而此时病人因尿潴留或低位膀胱瘘急需留置导尿.为了解决这类问题,我们自制了导尿管带入器,兼有导尿和将引流管带入膀胱的双重功能.经临床应用,效果良好. Urinary catheterization is a routine practice in clinics. It is relatively simple. However, sometimes difficulties are encountered, such as urethral strictures, mucosal edema, and soft catheters cannot be inserted into the human bladder. At this time, the patient has urinary retention or low bladder spasm. In urgent need of indwelling catheterization. In order to solve this kind of problem, we have made the catheter with the device, both the catheter and the drainage tube into the bladder of the dual function. The clinical application, the effect is good.