1. Made of transparent material, which allows the trainer to observe and evaluate the operation ability.
2. Flexible blood vessels with a strong sense of reality during operation and easy replacement.
3. Kicking methods that can be practiced: one-hand knotting, two-hand knotting, and device mechanical knotting.
4. Types of knots that can be practiced: single knots, square knots, triple knots, or multiple knots, surgical knots and identifying false knots, slip knots.
5. Simulates a variety of knotting environment.
6. Trimming, clamping, cutting and branching of blood vessels can be performed.
