A tip tilt formable bed system is provided for care of immobile patients. The bed system comprises a bladder defining an interior volume and a top fitting surface on the top surface of the bladder, the moldable having a casing configured to fit the shape of the transfer structure It may include a mattress. The bladder can be configured to hold a plurality of beads suspended in the fluid medium. Moldable mattresses can be molded while inflated and maintain an elastic shape when evacuated. The system further comprises at least one attachment point for the moldable mattress, at least one attachment point for the mesh sling, and one or more attachment tracks configured to support the at least one peripheral attachment. And a support frame for a moldable support structure having a laterally rigid outer rim. [Selected figure] Figure 1
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