Features:

1. Accurate anatomical structure, obvious signs of bone, with foreskin for male;

2. Urethral catheterization, bladder washout and puncture operation;

3. Bladder can be replaced, can inject fluid into bladder to achieve the state of filling;

4. The filling of bladder can be confirmed by percussion, and puncture training can be repeated with realistic puncture resistance. Obvious feeling when the puncture is correctly operated.

5. Physiological stenosis of urethra, real urethral catheterization operation.