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IV fluid warming system with detection of presence and orientation of an IV fluid heat exchanger

  • US 6,775,473 B2
  • Filed: 11/25/2002
  • Issued: 08/10/2004
  • Est. Priority Date: 03/09/1999
  • Status: Expired due to Fees
First Claim
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1. An intravenous (IV) fluid warming system comprising:

  • a warming unit with an inlet slot;

    an IV fluid heat exchanger receivable in the warming unit inlet slot, the IV fluid heat exchanger having an internal fluid pathway and a fluid inlet port and a fluid outlet port in fluid communication with the internal fluid pathway; and

    a detector acting between the warming unit and the IV fluid heat exchanger to sense the orientation of the IV fluid heat exchanger in the warming unit, the detector including a first magnetic element in the warming unit and a second magnetic element in the IV fluid heat exchanger.

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