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Heating and cooling blanket

  • US 4,132,262 A
  • Filed: 01/17/1977
  • Issued: 01/02/1979
  • Est. Priority Date: 01/17/1977
  • Status: Expired due to Term
First Claim
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1. A cooling and heating blanket comprising:

  • a. a blanket enclosure,b. heating means including a plurality of flexible elements positioned within said enclosure for being electrically energized for supplying heat to said enclosure, such that said enclosure may be retained above room temperature,c. cooling means including a plurality of flexible fluid carrying conduits positioned within said enclosure through which a heat transfer fluid can flow, such that said enclosure may be retained below room temperature,d. control means including an electric motor and a pump driven thereby located remotely relative to said enclosure,e. flexible conduit means connecting said enclosure and said cooling means,f. regulating means operatively associated with said heating means and said cooling means, said regulating means adapted to energize said control means or said heating means in response to increases and decreases of the temperature associated with said enclosure, such that the temperature of the blanket may be retained above or below the room temperature in which the blanket is located,g. said enclosure is divided into at least two major sections and each one of said sections may be independently regulated from said heating means or said cooling means,h. said major sections are each divided into respective zones,i. each one of said zones being independently controllable by said regulating means such that different respective portions of the human body may be concurrently maintained at temperatures ranging from below to above room temperature by said heating means and said cooling means, andj. said zones include;

    (1) an upper zone for maintaining the upper torso of the body at a preselected temperature,(2) an intermediate zone for maintaining the lower torso at a preselected temperature, and(3) a lower zone for maintaining the legs at a preselected temperature.

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