Case studies
Alternating air overlays
These overlays are comprised of air cells which inflate and deflate alternately or sequentially.
The sequence of inflation and deflation is controlled by a pump which is usually mains powered. The interval of inflation and deflation can be controlled on some models.
Information for suppliers
Please read our FAQs if you have any questions about how to change information, what the DLF ratings means, etc.
Please read our FAQs if you have any questions about how to change information, what the DLF ratings means, etc.
Help and advice
The inflating and deflating rows of air cells results in the pressure being removed from a certain point for a short period of time. Consequently, pressure is then increased over other areas. Care must be taken to ensure that the user can tolerate these pressures.
It should be remembered that air is unlikely to form a stable base and users may therefore need to reconsider their method of transfer.
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