Vacuum immobilizer, also named vacuum splints, includes leg vacuum splint, arm splint, and head vacuum immobilizer. This vacuum splint set includes extremities splints, head immobilizer, and extrication device. It is used to fix and immobilize patients suspected of having fractures and hurt of broken extremities. The principle of vacuum immobilization has been known for many years in the emergency medicine and first aid fields, and it is more and more pop in the world.