The model is in supine position with the head turned to the left

Clear anatomical landmarks

Liver abscess puncture, find the tenderness of the liver area, there have breath holding voice prompts, perform puncture with the rhythm of breath holding

Place the manikin in lateral position, perform diagnostic abdominal paracentesis

Palce the manikin in semi-sitting position, perform thoracic puncture

The carotid artery is palpable to perform internal jugular vein puncture

Intracardiac injection

Iliac bone marrow puncture

Preoperative asepsis operation training

The femoral artery is palpable to perform femoral venous puncture

Electronic monitoring: when performing thoracic puncture and liver puncture, the puncture needle is required to puncture vertically along the upper edge of the lower rib, and there will be voice prompts for incorrect puncture