SY/W052
■ The practice of inserting a transparent abdominal wall trocar into puncture;
■ The anatomical level is clear, the skin tissue has good elasticity, and the hand feels real. When the needle passes through the skin, there is a realistic sense of blocking, and the needle has a sense of failure after passing through the skin;
■ The whole process of trocar insertion can be observed through the transparent seat;
■ Can be inserted using various types of trocars.