Functional Characteristics:

1. The anatomical structure is accurate, and the size of human life, there are obvious body surface signs, including: superior sternal notch, sternocleidomastoid muscle, clavicle, right rib.

2. Realistic vascular structure, mainly including: internal jugular vein and subclavian vein, etc.

3. Deep vein intubation: subclavian vein puncture, jugular vein puncture and elbow fossa vein puncture.

4. Intubation practice of cardiac floating (Swan-Ganz) catheter can be performed.
5, The skin and veins can be replaced, the needle has obvious frustration.