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Infusion apparatus able to recognize an appropriate time for servicing

  • US 5,304,127 A
  • Filed: 04/02/1993
  • Issued: 04/19/1994
  • Est. Priority Date: 04/03/1992
  • Status: Expired due to Term
First Claim
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1. An infusion apparatus which is operated on alternating current power source and includes a pump mechanism for transferring a fluid through an administration tube by repetitively pressing a portion of the administration tube in a peristaltic manner in a direction of transferring the fluid and a battery for backing up the alternating current power source, the infusion apparatus comprising:

  • first clock means for clocking a period of time in which power is supplied to the infusion apparatus from the alternating current power source or the battery for backing up the alternating current power source;

    first storage means for storing the period of time clocked by the first clock means;

    second clock means for clocking a period of time in which power is supplied to the infusion apparatus from the battery;

    second storage means for storing the period of time clocked by the second clock means;

    third clock means for clocking a period of time in which the pump mechanism operates;

    third storage means for storing the period of time clocked by the third clock means;

    display means; and

    means for calling up the period of time stored in each of the first, second and third storage means to display the period of time on the display means.

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