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Methods and apparatuses for detecting occlusions in an ambulatory infusion pump

  • US 9,033,925 B2
  • Filed: 01/10/2014
  • Issued: 05/19/2015
  • Est. Priority Date: 10/29/1998
  • Status: Expired due to Fees
First Claim
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1. A method of detecting an occlusion in an infusion pump having a drive mechanism that includes a motor and one or more drive train components coupled to a reservoir for infusing fluid from the reservoir into a body of a user, the method comprising:

  • (a) measuring respective values of at least two different parameters associated with the motor or one of the drive train components;

    (b) multiplying at least one of said respective values by a weighting coefficient;

    (c) adding said respective values, as weighted, to one another to obtain a combined value; and

    (d) determining whether an occlusion has occurred in the fluid path of the infusion pump by using the combined value.

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