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Method and apparatus for pressure infusion and temperature control of infused liquids

  • US 7,942,851 B2
  • Filed: 08/09/2004
  • Issued: 05/17/2011
  • Est. Priority Date: 03/03/1997
  • Status: Expired due to Term
First Claim
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1. An apparatus for heating and maintaining the temperature of infused liquids as liquid flows from a heated liquid-filled container through a tube to an entry site on a patient, wherein said liquid-filled container is suspended from a support by a receptacle and said tube extends from said liquid-filled container to said entry site, said apparatus comprising:

  • a receptacle for receiving and holding a liquid filled container;

    a heating element in said receptacle, the heating element placeable proximate said liquid-filled container to heat said liquid-filled container to a desired temperature;

    a heating assembly selectively placeable along said tube, said heating assembly including;

    a heater to maintain liquid flowing from said heated liquid-filled container through said tube at said desired temperature,a tube receptacle comprising an open slot configured to engage and receive a portion of said tube therein,wherein said heater heats said liquid within said tube portion received within the open slot; and

    a control unit coupled to said heating element and said heater to control heating of said liquid, wherein said heating element is controlled based on a measured heating element parameter, and said heater is controlled independently of said heating element based on a measured heater parameter.

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