Patent ID: 7090692

Claim:
An inflatable cover for controlling the temperature of a person, comprising: a laminate base sheet having two ends and two edges defining a periphery of the cover; the base sheet including an under layer of a fibrous material, and an upper surface; wherein the fibrous material is paper; a plurality of apertures opening through the base sheet; an overlaying sheet attached to the upper surface of the base sheet at a plurality of locations within the periphery of the cover; the overlaying sheet sealed to the upper surface of the base sheet near the periphery of the cover to form an inflatable structure comprising the overlaying sheet and the base sheet; a non-inflatable portion of the inflatable structure near a head end; and an opening near a foot end for admitting warmed air to the inflatable structure; whereby, the opening, the inflatable structure, and the apertures allow air to inflate the cover and to be exhausted from the cover.