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Infusion device

  • US 4,775,368 A
  • Filed: 02/13/1987
  • Issued: 10/04/1988
  • Est. Priority Date: 02/19/1986
  • Status: Expired due to Term
First Claim
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1. An infusion device comprising:

  • an injection molded drip chamber for delivering a fluid having a lower part and an upper part having a drop outlet formed on an inner side thereof;

    drop sensing means formed on said upper part for sensing the passage of a drop of said fluid through said drop outlet of said drop chamber and producing a signal corresponding thereto;

    evaluation circuit means for receiving said signal from said drop sensing means;

    display means electrically connected to said evaluation circuit means for indicating a rate of said fluid delivery determined by said evaluation circuit means;

    a power source connected by electrical connection means to said evaluation circuit means and said display means for delivering operational power thereto; and

    a housing formed integrally with said upper part and extending outwardly from the circumference thereof for covering a small portion of the drip chamber relative to the total length of the drip chamber and having recesses formed therein for receiving said evaluation circuit, display means and power source.

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