Patent ID: 7685664
Filing Date: 2010-03-30
Classification: A47C,A61G

Abstract:
1. A mattress configured to support a patient, the mattress comprising: a head section; a foot section; a seat section positioned intermediate the head section and the foot section, the head section, the foot section, and the seat section cooperating to define a patient support surface, the foot section including a leg portion, a heel pressure relief portion, and a raised calf support portion positioned intermediate the leg portion and the heel pressure relief portion; a plurality of support bladders extending longitudinally from the head section to the foot section; and an upper foam layer positioned above the support bladders, the upper foam layer including longitudinally extending, downwardly facing arcuate recesses configured to receive an upper portion of the support bladders; wherein the arcuate recesses do not extend within the calf support portion, such that the upper foam layer is positioned vertically higher within the calf support portion than in the seat section.