This Head support pad for spine board is Made of high-density plastic material, this head immobilizer have large ear holes for monitoring the patient’s ear canal. Waterproof plastic coating makes it easy to clean and prevents bacterial growth. the long spine board (LSB), long back board, spineboard, backboard. A spinal board, is a patient handling device used primarily in pre-hospital trauma care. It is designed to provide rigid support during movement of a person with suspected spinal or limb injuries.