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Polar plot to represent glucose sensor performance

  • US 9,307,936 B2
  • Filed: 05/09/2012
  • Issued: 04/12/2016
  • Est. Priority Date: 10/26/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • obtaining a plurality of blood glucose reference samples from a patient;

    obtaining a plurality of glucose sensor measurements using a glucose sensor in contact with the patient;

    computing a first rate of change in blood glucose concentration as observed from two or more of the plurality of blood glucose reference samples;

    computing a second rate of change in the blood glucose concentration as observed from two or more of the plurality of glucose sensor measurements;

    generating an angular coordinate and a radial coordinate of a polar plot,wherein the angular coordinate is a function of the first rate of change and the second rate of change, andwherein the radial coordinate is proportional to a magnitude of a blood glucose concentration of the patient as measured from one or more of the plurality of blood glucose reference samples; and

    generating signals to present a graphical representation of a value on the polar plot in a visual medium, wherein the value corresponds to the angular coordinate and the radial coordinate, andwherein the computing the first rate of change, the computing the second rate of change, the generating the angular coordinate and the radial coordinate, and the generating signals to present the graphical representation are performed by one or more processors.

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