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Liquid transfusion apparatus

  • US 5,078,682 A
  • Filed: 11/28/1989
  • Issued: 01/07/1992
  • Est. Priority Date: 11/30/1988
  • Status: Expired due to Term
First Claim
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1. A liquid transfusion apparatus comprising:

  • a transfusion tube for transfusing liquid into a human body;

    a liquid feed means attached to said transfusion tube for feeding said liquid into said transfusion tube;

    a pressure detecting means attached to said transfusion tube down stream of said transfusion tube with respect to said liquid feed means for detecting a pressure level of said liquid in said transfusion tube;

    a setting means capable of setting a normal pressure leveland an upper alarm pressure level of said liquid in said transfusion tube;

    a calculating means electrically coupled to said pressure detecting means and coupled to said setting means for calculating a percentage of a difference between said detected pressure level detected by said pressure detecting means and said normal pressure level set by said setting means with respect to a difference between said upper pressure level and said normal pressure level set by said setting means; and

    display means electrically coupled to said calculating means for displaying said percentage calculated by said calculating means.

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