Method and system for determining analyte levels
First Claim
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1. A computer implemented method, comprising:
- receiving, using one or more processors, one or more parameters associated with a medication delivery profile;
receiving, using the one or more processors, a past predicted analyte level estimate;
determining, using the one or more processors, a present predicted analyte level estimate based at least in part on the received one or more parameters associated with the medication delivery profile and the received past predicted analyte level estimate;
receiving, using the one or more processors, a present monitored analyte measurement data;
determining, using the one or more processors, a present corrected analyte level estimate based at least in part on the determined present predicted analyte level estimate and the received present monitored analyte measurement data;
receiving one or more external parameters, and wherein the determining the present predicted analyte level estimate is based at least in part on the received one or more external parameters; and
filtering, using the one or more processors, one or more of the received one or more parameters associated with a medication delivery profile, the received present monitored analyte measurement data, or the received one or more external parameters, wherein filtering includes a rate variance filter;
wherein the one or more external parameters includes one or more of a calorie intake amount, a level of physical exertion, or carbohydrate amount; and
furtherwherein when the one or more external parameters exceeds a predetermined threshold level, the rate variance filter is adjusted from a predetermined setting to a modified setting to be more responsive to changes in the present monitored analyte measurement data after a first predetermined time period lapses, wherein the first predetermined time is measured from the time the one or more external parameters exceeds the predetermined threshold level.
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Abstract
Methods and apparatus for analyte level estimation are provided.
710 Citations
21 Claims
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1. A computer implemented method, comprising:
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receiving, using one or more processors, one or more parameters associated with a medication delivery profile; receiving, using the one or more processors, a past predicted analyte level estimate; determining, using the one or more processors, a present predicted analyte level estimate based at least in part on the received one or more parameters associated with the medication delivery profile and the received past predicted analyte level estimate; receiving, using the one or more processors, a present monitored analyte measurement data; determining, using the one or more processors, a present corrected analyte level estimate based at least in part on the determined present predicted analyte level estimate and the received present monitored analyte measurement data; receiving one or more external parameters, and wherein the determining the present predicted analyte level estimate is based at least in part on the received one or more external parameters; and filtering, using the one or more processors, one or more of the received one or more parameters associated with a medication delivery profile, the received present monitored analyte measurement data, or the received one or more external parameters, wherein filtering includes a rate variance filter; wherein the one or more external parameters includes one or more of a calorie intake amount, a level of physical exertion, or carbohydrate amount; and
furtherwherein when the one or more external parameters exceeds a predetermined threshold level, the rate variance filter is adjusted from a predetermined setting to a modified setting to be more responsive to changes in the present monitored analyte measurement data after a first predetermined time period lapses, wherein the first predetermined time is measured from the time the one or more external parameters exceeds the predetermined threshold level. - View Dependent Claims (2, 3, 5, 6, 7)
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4. A computer implemented method, comprising:
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receiving, using one or more processors, one or more parameters associated with a medication delivery profile; receiving, using the one or more processors, a past predicted analyte level estimate; determining, using the one or more processors, a present predicted analyte level estimate based at least in part on the received one or more parameters associated with the medication delivery profile and the received past predicted analyte level estimate; receiving, using the one or more processors, a present monitored analyte measurement data; determining, using the one or more processors, a present corrected analyte level estimate based at least in part on the determined present predicted analyte level estimate and the received present monitored analyte measurement data; and filtering, using the one or more processors, one or more of the received one or more parameters associated with a medication delivery profile or the received present monitored analyte measurement data, wherein filtering includes a rate variance filter; wherein the parameters associated with the medication delivery profile includes a medication infusion rate, wherein when the medication infusion rate exceeds a predetermined threshold level, the rate variance filter is adjusted from a predetermined setting to a modified setting to be more responsive to changes in the present monitored analyte measurement data after a first predetermined time period lapses, wherein the first predetermined time is measured from the time the medication infusion rate exceeds the predetermined threshold level. - View Dependent Claims (8, 9, 10)
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11. An apparatus, comprising:
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one or more processing units; and a memory for storing instructions which, when executed by the one or more processing units, causes the one or more processing units to receive one or more parameters associated with a medication delivery profile, receive a past predicted analyte level estimate, determine a present predicted analyte level estimate based at least in part on the received one or more parameters associated with the medication delivery profile and the received past predicted analyte level estimate, receive a present monitored analyte measurement data, and determine a present corrected analyte level estimate based at least in part on the determined present predicted analyte level estimate and the received present monitored analyte measurement data and filter one or more of the received one or more parameters associated with the medication delivery profile or the received present monitored analyte measurement data, wherein the filter includes a rate variance filter, the parameters associated with a medication delivery profile includes a medication infusion rate, and further, wherein when the medication infusion rate exceeds a predetermined threshold, the rate variance filter is adjusted from a predetermined setting to a modified setting to be more responsive to changes in the present monitored analyte measurement data after a first predetermined timer period lapses, and the first predetermined time is measured from the time the medication infusion rate exceeds the predetermined threshold level. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method, comprising:
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receiving, using one or more processors, a change in the characteristic information of a medication delivery device including one or more of medication delivery rate, medication delivery amount, or medication delivery time period; receiving, using the one or more processors, analyte related signals associated with monitored analyte level from an analyte sensor; determining, using the one or more processors, a rate of change of the monitored analyte level based at least in part on the received analyte related signals; anticipating, using the one or more processors, a change in direction of the rate of change of the monitored analyte level based at least in part on the received characteristic information; evaluating, using the one or more processors, the received analyte related signals based on the anticipated change in direction of the rate of change of the monitored analyte level; determining, using the one or more processors, an estimated monitored analyte level based at least in part on the of the received analyte related signals; and filtering, using the one or more processors, the received analyte related signals based on the rate of change of the monitored analyte level to generate filtered analyte related signals, wherein filtering includes a rate variance filter; wherein when the change in the characteristic information of the medication delivery device exceeds a predetermined threshold level, the rate variance filter is adjusted from a predetermined setting to a modified setting to be more responsive to changes in the present monitored analyte level after a first predetermined time period lapses, wherein the first predetermined time is measured from the time the characteristic information of the medication delivery device exceeds the predetermined threshold level. - View Dependent Claims (18, 19, 20, 21)
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Specification