Patent ID: 7291163

Claim:
A therapy blanket for providing conditioned air to a patient, said therapy blanket comprising: a top sheet of a first air impermeable material; a base sheet adapted to pass the conditioned air, said top sheet and said base sheet joined by a continuous seam forming an inflatable chamber, said top sheet and said bottom sheet having a neck slot and a torso notch for positioning said therapy blanket over the patient, said neck slot and said torso notch located on opposite sides of said therapy blanket; a pair of air channels formed by joining said top sheet and said base sheet at a first channel seam, said first channel seam positioned transverse to a line between said neck slot and said torso notch, said pair of air channels each having an inflated cross-sectional area, said inflated cross-sectional area being smaller at said pair of air channels where said pair of air channels crosses said line between said neck slot and said torso notch; an inlet port for providing the conditioned air to said inflatable chamber; and at least one barrier sheet of a second air impermeable material, said at least one barrier sheet sandwiched between said top sheet and said base sheet whereby air is prevented from being discharged from a selected portion of said base sheet, said at least one barrier sheet secured between said top sheet and said base by at least one of said continuous seam and said channel seam.