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Intravenous fluid warmer

  • US 4,464,563 A
  • Filed: 08/28/1981
  • Issued: 08/07/1984
  • Est. Priority Date: 08/28/1981
  • Status: Expired due to Fees
First Claim
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1. A warmer module for warming a fluid comprising an elongated cylindrical outer heater and a concentrically located elongated cylindrical inner heater within said outer heater, said outer and inner heater so shaped as to define an elongated annular cylindrical tapering plenum therebetween adapted to receive an associated cartridge in the annular plenum, and further comprising means for mounting said inner elongated cylindrical heater within said outer heater while permitting limited freedom of movement of said inner cylindrical heater within said outer cylindrical heater to accommodate the associated cartridge.

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