Pegasus Airwave and Bi-Wave Plus.

The Pegasus Airwave and the Bi-Wave Plus are examples of alternating-pressure air mattress (APAM) systems that are more reliable than the older generation of APAMs. The Pegasus Airwave is useful for managing severe pressure sores, as well as for preventing sores in 'high-risk' patients. The Bi-Wave Plus is more suitable for patients with a 'fairly high risk' of developing sores and some patients may find it more comfortable than the Pegasus Airwave.