Noninvasive Method to Estimate Variation of Blood Glucose Levels Using Metabolic Measurements
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Abstract
A method to estimate the variation of blood glucose concentration in a patient without blood sampling. The method can be implemented by measuring metabolic parameters including heat dissipation by conduction, percentage oxygen content of expired air and volume per minute of expired air. These parameters are used to calculate estimated blood glucose variation.
9 Citations
28 Claims
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1-8. -8. (canceled)
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9. A method for estimating blood glucose variation in a patient based on metabolic parameters, comprising:
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measuring raw metabolic parameters of the patient, wherein the raw metabolic parameters comprise conduction heat loss of an extremity of the patient, oxygen content of air expired by the patient, and a rate of expiration of air expired by the patient; converting the raw metabolic parameters into metabolic features of the patient; and calculating an estimated blood glucose variation for the patient based on the metabolic features. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An apparatus comprising one or more memory units having computer-useable instructions encoded thereon for performing a method of classifying blood glucose variation of a patient based on metabolic parameters, the method comprising:
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receiving raw metabolic parameters of the patient; converting, in a first computer process, the raw metabolic parameters into metabolic features of the patient; computing, in a second computer process, variations between the metabolic features of the patient and stored metabolic features of the patient; and classifying, via a third computer process, the blood glucose variation of the patient based on the computed variations. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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- 26. An apparatus comprising a heat flow sensor and a heat flow analyzer, which respectively are capable of measuring and computing the conduction heat loss at an extremity'"'"'s tip.
Specification