l The model has a circulation pump, which can simulate the arterial pulse

l Arterial pulsation can be modulated by means of a modulating device

l The puncture skin material is special, and the puncture point can be repeatedly punctured

l The model can simulate the pressure inside the arterial vessel, and simulate the blood gushing out after successful puncture

l Separate module design for skin puncture and blood vessel is convenient for disassembly and replacement