A PRESSURE RELIEVING MATTRESS

摘要

This invention relates to mattresses such as a pressure relieving mattress a nd in particular ones for profiling beds. The mattress comprises a base portion (11) , a carriage portion (12), an upper portion (13) and an inflatable pressure relieving underlay (14) disposed between the carriage (12) and the upper portion (13). The facing surfaces (15) and (16) of the base portion (1 1) and the carriage portion (12), respectively, are coated with a low friction material so that the two slide easily relative to one another. This sliding movement is restricted to longitudinal relative movement by the engagement o f co-operating formations (17, 18). The combination provides particularly flexible mattress arrangement which also avoids the problem of the leg secti on of the mattress kicking upwardly when a profiling bed is articulated.