Mattresses and mattress overlays for pressure relief
Using a pressure relief mattress or overlay may be less expensive than a pressure relief bed, and they may be used with an existing bed frame. Mattress overlays are used on top of an existing mattress. Materials used for pressure relieving mattresses and overlays include: foam; memory foam; gel; water; low air loss and alternating air systems. Some of these products require ongoing maintenance and adjustment. Care needs to be taken that the pressure relieving features are not compromised by the use of bedding or incontinence devices. Ideally, anything used should be two-way stretch and vapour permeable. Care should also be taken to avoid creases in the sheets.