1. Adult upper body, clear anatomical structure, sternal notch, clavicle, rib, etc.
2. Include superior vena cava, internal jugular vein, carotid artery,subclavian vein, palpable carotid artery pulse
3. Replaceable skin and blood vessel,
4. Perform subclavian vein and internal jugular vein puncture
5. Realistic feedback of resistance absence, extracting simulated blood
6. Transfusion, parenteral alimentation treatment