Features:

● A male half-body structure with anatomical features. Pneumothorax decompression exercises can be performed.

● Correct anatomical marks are used to help locate training.

● provide bilateral bone midline second rib gap or midline The fifth intercostal space can be used for thoracic decompression training to discharge gas.

● Hand-pinch inflation is very convenient.

● Puncture can be repeated several hundred times in the same lung sac.