Inflatable thermal blanket for convectively cooling a body

Details Inflatable thermal blanket for convectively cooling a body Inflatable thermal blanket for convectively cooling a body

1997-08-26

1999-01-19

Doerrler, William

Refrigeration

Structural installation

With body applicator

62314, 607107, F28D 500, A61F 700

Patent

active

058602925

ABSTRACT:
An inflatable thermal blanket is disclosed for convectively and evaporatively cooling a patient The inflatable thermal blanket comprises an upper sheet and a base sheet that are attached at a plurality of locations to form an inflatable covering. The base sheet includes a plurality of apertures that direct an inflating medium from the inflatable covering toward the patient. The base sheet also supports a fluid delivery apparatus that distributes and delivers a cooling fluid to the patient. The fluid is evaporated from the patient's skin by the inflating medium exhausted from the inflatable covering. The fluid delivery apparatus may be constructed in a variety of configurations and may be circulate a variety of fluids, which may be pressurized or unpressurized. In operation, an air blower, that may also include a compressor for selectively delivering room temperature or cooled air to the inflatable thermal blanket, is connected to the inflatable covering. The blower delivers air, under pressure, to an inlet opening in the inflatable covering. The pressurized air is distributed throughout the inflatable covering and flows to the patient through the apertures in the base sheet. The inflatable thermal blanket is configured to cover one or more portions of a patient's body. In one construction, the inflatable thermal blanket covers all of the patient's body except for the head. In an alternative construction, a specially designed inflatable thermal blanket is constructed to cover only the patient's head.

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