These types of health treatments are ambiguous at best, you should consult a physician before doing anything to "official" icy-hot pads are great, and fluids do as much as-the stereotype.
Clean the hole where the lung is punctured from the blood and pressure that place gently. All other actions leave to the Emergency Rescue Unit if You are not professional medical person.
A tube is inserted into the chest cavity outside the lungs to remove air from the chest cavity allowing the collapsed lung to reinflate at which time it is repaired.
