摘要 |
A bed mattress including an outer casing adapted to house one or a plurality of different supportive materials within said casing (1) in distinct transverse regions wherein fixed supportive materials (7, 9, 11) are provide d at the top and bottom regions of said mattress corresponding to the head and foot regions of a user; and an intermediate region so formed between is provided with a transverse assay of fixed supportive materials (11) having vacant regions between adjacent materials, wherein said outer casing has a plurality of ports (4) corresponding to said vacant regions which are adapte d to facilitate the ready insertion, removal and/or replacement of one or more auxiliary supportive materials (10) so as to allow the user to vary the supportive quality of said intermediate region of said mattress.
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