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Apparatus for detecting a condition of a medication infusion system and providing an informational signal in response thereto

  • US 4,784,645 A
  • Filed: 09/12/1986
  • Issued: 11/15/1988
  • Est. Priority Date: 11/04/1982
  • Status: Expired due to Term
First Claim
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1. An apparatus for infusing medication into a living body comprising:

  • a medication reservoir means for storing medication to be infused;

    a pulsatile pump means operably coupled to said reservoir means for pumping a dose of medication in response to an electrical pulse input;

    means for applying said electrical pulse input to said pumping means;

    an infusion output from which pumped medication exits the system and is dispensed to the patient;

    a sensing means, disposed at the infusion output, for sensing the actuation of said pumping means and the dispensing of a dose of medication and transducing an electrical signal corresponding to each dispensed dose; and

    ,a volume detecting means for detecting the volume of medication dispensed from said reservoir means, and including,a counting means, operably coupled to said sensing means for counting the occurrences of said electrical signal corresponding to said dispensing dose, anda means for providing an information signal when said counting means reaches a certain count number.

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