Universal Models for Predicting Glucose Concentration in Humans
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Abstract
An embodiment of the invention provides a system for predicting future glucose levels in an individual including a glucose measuring device for generating glucose signals representing glucose levels obtained from the individual at fixed time intervals and an analyzer. The analyzer uses a glucose prediction function that is portable between individuals irrespective of health of the individuals. The glucose prediction function includes model coefficients that are invariant between the individuals. The glucose prediction function outputs the future glucose levels by weighing the previous glucose signals obtained from the individual by the model coefficients.
51 Citations
55 Claims
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1-15. -15. (canceled)
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16. A system for predicting at least one future glucose level of an individual, said system including:
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a glucose measuring device, the glucose measuring device generates a series of glucose signals representing glucose levels obtained from the individual at fixed time intervals; and an analyzer having a glucose prediction function that is portable between individuals irrespective of health of individuals, said glucose prediction function including a plurality of model coefficients that are invariant between individuals, said glucose prediction function outputs the at least one future glucose level by weighing the current and a plurality of previous series of glucose signals obtained from the individual by said model coefficients, said glucose prediction function outputs a series of future glucose levels by omitting the oldest predicted or actual glucose level used in the last iteration of said glucose prediction function, multiplying a most recent predicted future glucose level by a first model coefficient, and multiplying a next most recent predicted or actual glucose level by a next model coefficient.
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17-27. -27. (canceled)
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28. A method, including:
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receiving a time horizon as an input or retrieving the time horizon from memory; receiving series of glucose signals from a glucose measuring device, the series of glucose signals representing glucose levels obtained from an individual at fixed time intervals; predicting at least one future glucose level of the individual by weighing the series of glucose signals by a plurality of model coefficients of a glucose prediction function that is portable between individuals irrespective of health of individuals, said plurality of model coefficients are invariant between individuals, said weighing of the series of glucose signals by said plurality of model coefficients of said glucose prediction function includes omitting a least recent predicted or actual glucose level from said glucose prediction function, multiplying a most recent predicted future glucose level by a first model coefficient, and multiplying a next most recent predicted or actual glucose level by a next model coefficient, and said predicting being performed with a processor having code to perform calculations of said glucose prediction function; and repeating said predicting for the number of required samples to reach the time horizon with each new prediction being one sampling time period later. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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40-46. -46. (canceled)
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47. A method, including:
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receiving series of glucose signals from a glucose measuring device, the series of glucose signals representing glucose levels obtained from an individual at fixed time intervals; predicting at least one future glucose level of the individual by weighing the series of glucose signals by model coefficients of a glucose prediction function that is portable between individuals irrespective of diabetes types of individuals, ages of individuals, and type of said glucose measuring device, said model coefficients are invariant between individuals; and generating an alert when the at least one future glucose level of the individual is at least one of exceeding an upper glucose threshold and falling below a lower glucose threshold.
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48. A method for predicting at least one future glucose level in an individual, said method including:
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obtaining a plurality of first glucose measurements via a glucose monitoring device by monitoring current glucose levels at fixed time intervals in a plurality of individuals, said plurality of individuals having type I and type II diabetes; training using a processor a glucose prediction function that is portable between individuals using at least a first portion of said plurality of first glucose measurements, said training including creating model coefficients that are invariant between individuals; obtaining at least one second glucose measurement from the individual via one of said glucose monitoring device and a second glucose monitoring device; and predicting the at least one future glucose level in the individual independent of whether the individual has type I or type II diabetes, said predicting including multiplying at least one of said model coefficients with at least one respective glucose measurement of said at least one second glucose measurement. - View Dependent Claims (49, 50, 51, 52, 53, 54)
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55-66. -66. (canceled)
Specification