Stabilizing Vacuum Mattress

An item consisting of a soft, flexible, and airtight case filled with small plastic balls. It easily adapts to the body shape of an injured person; the item becomes hard and rigid upon exhausting the air. It is mainly used, with or without a litter, for the transportation of patients suffering from spinal injuries. Excludes mattress, litter; mattress, stretcher; and mattress, pneumatic.