1. The model is realistic, just as in a real patient.

2. The lubricated catheter can be inserted through the urethra into the bladder.

3. Catheterization through the mucosal folds, urethral bulb and sphincter. Students will experience a sense of narrowness as a real person, can change the body posture and position of the penis,the catheter to enter smoothly

4. When the catheter into the bladder, artificial urine flows out from the conduit