Patent ID: 9707141
Date: 2017-07-18
CPC Classifications: A61G

Claim:
1. A patient support comprising: a cover defining an interior region; a plurality of bladders located within the interior region; an enclosure within the interior region, the enclosure forming a unitary volume; a supply tube to supply air to the unitary volume of the enclosure via a pair of spaced apart apertures located adjacent opposite sides of the enclosure; and a control unit operably coupled to the plurality of bladders and to the supply tube, the control unit comprising an air pump and a switching valve, the control unit selectively configurable to provide air to the plurality of bladders and to the enclosure, wherein the control unit is operable to electrically signal the switching valve to move between a first position in which pressurized air from the air pump is provided to the plurality of bladders and a second position in which vacuum from the air pump is provided to the plurality of bladders, wherein the control unit supplies a first pressure and volume of air to the plurality of bladders and a second volume and pressure of air to the enclosure, wherein the second volume and pressure of air is different than the first pressure and volume of air, wherein the first pressure is greater than the second pressure when the switching valve is in the first position.