The wheelchair cushion Vicair Centre Relief O2 is the best choice if you need to completely offload the rectum perineum and coccyx area. By simply removing SmartCells from the centre circle compartment you create a non-contact area. This important feature makes a great difference for persons with (for instance) localized deep pressure ulcers, rectum or tailbone problems. Or after perineal surgery. The Centre Relief O2 helps you to sit comfortably and safe, even in the most painful situationsThe Vicair Centre Relief O2 is a wheelchair cushion that helps prevent pressure ulcers. It is also a high quality addition to a pressure ulcer treatment plan (stage I-IV).