System for determining insulin dose using carbohydrate to insulin ratio and insulin sensitivity factor
First Claim
1. A computer-implemented method of determining factors used for insulin therapy comprising the steps of:
- storing at least one data set in a memory device, the data set comprising blood glucose readings taken, respectively, at substantially the beginning of and substantially the end of a selected period of time, a value corresponding to the patient'"'"'s food intake for the selected period, and the amount of insulin administered to the patient during the selected period;
calculating a delta blood glucose level corresponding to the difference between the blood glucose readings taken, respectively, at substantially the beginning of and substantially the end of the selected period; and
determining, using the computer, a correct insulin amount using the delta blood glucose level divided by an insulin sensitivity factor, and the result of the division being added to the amount of insulin administered to the patient during the selected period.
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Abstract
An apparatus and method are provided for determining a patient'"'"'s carbohydrate to insulin ratio (CIR) and insulin sensitivity factor (ISF), and using these values, along with values for current blood glucose level and deviation from target blood glucose level, for determining insulin dose in view of carbohydrate intake during a particular time period. The apparatus and method employ algorithms that can be implemented in any of a personal computer, personal data assistant, hand held computing device, blood glucose monitor, infusion pump, medication delivery pen, meter, calculator, among other therapeutic, diagnostic or informational devices used for managing a patient'"'"'s blood glucose levels.
47 Citations
13 Claims
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1. A computer-implemented method of determining factors used for insulin therapy comprising the steps of:
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storing at least one data set in a memory device, the data set comprising blood glucose readings taken, respectively, at substantially the beginning of and substantially the end of a selected period of time, a value corresponding to the patient'"'"'s food intake for the selected period, and the amount of insulin administered to the patient during the selected period; calculating a delta blood glucose level corresponding to the difference between the blood glucose readings taken, respectively, at substantially the beginning of and substantially the end of the selected period; and determining, using the computer, a correct insulin amount using the delta blood glucose level divided by an insulin sensitivity factor, and the result of the division being added to the amount of insulin administered to the patient during the selected period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification