Features:

Accurate cutting marks: top notch on the sternum, before the iliac spine can obviously touch, such as easy to puncture.

● Positioning: Feasible iliac spines centesis on before training, and sternum punctures handle, pierce through simulation marrow cavity has obviously lost feeling, and can extract the bone marrow.

● Easy to replace the skin and simulated marrow cavity. Note: The skin and all kinds of puncture cavities are replaceable.