Features:

1. The model is a simulative adult torso with right arm. There are apparent anatomical marks: clavicle,

suprasternal notch, sternocleidomastoid muscle, pectoralis major muscle, ribs and deltoid muscle.

2. Lifelike veins: superior vena cava, internal jugular vein, subclavical vein,cephalic vein, basilic vein and median

cubital vein, etc.

3. With apparent anatomical marks, the model can be used to practice the puncture of internal jugular vein,

subclavical vein, cephalic vein and heart catheterization. 

4. The skin and veins can be replaced. Students will feel an apparent "pop" when puncture needle has been

thrusted into the veins.