1. The model is in lying position with realistic texture.

2. Accurate anatomical structure, clavicle, sternum, ribsand intercostal space can clearly palpable.

3. The 2nd anterior intercostal space of the midclavicularline (bilateral) , the anterior axillary line or the 6thintercostal. space of the mid-axillary line (bilateral),thorax puncture and drainage can be performedrespectively.

4. Drainage tube after treatment practice.