Alternating pressure mattresses are used to prevent various stages of bed sores 1-4. These medical mattress systems use cells that inflate and deflate under the patient. This technology is used to relieve pressure and heal bed sores. We have selected a wide variety of solutions that are commonly used in hospitals and nursing homes. There is an alternating pressure mattress in this section for every stage and every budget. Free Shipping Delivers in 1-3 business days ground shipping.