Adult arm, realistic blood vessels, including cephalic vein, basilic vein, median cubital vein, median forearm vein and dorsal hand vein network.

Skin and blood vessels are replaceable

Venipuncture:

1. Transfusion, blood sampling, etc.

2. Realistic feedback, correct puncture with a sense of empty, has blood backflow
   
   

Intramuscular injection to the deltoid muscle

Subcutaneous injection: lower margin of deltoid