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Apparatus and method for monitoring flow of infusion liquid

  • US 5,200,627 A
  • Filed: 02/13/1991
  • Issued: 04/06/1993
  • Est. Priority Date: 02/23/1990
  • Status: Expired due to Term
First Claim
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1. A flow detecting apparatus for detecting movement of an infusion fluid into the flow of a receiving fluid, the apparatus comprising:

  • receiving duct means for conveying the receiving fluid;

    infusion duct means connected to the receiving duct means for conveying the infusion fluid in an infusion direction into the receiving duct means; and

    means for sensing whether the receiving fluid moves from the receiving duct means into the infusion duct means in a direction opposite to the infusion direction.

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