Method and system for determining a carbohydrate intake event from glucose monitoring data indicative of a glucose level, and a non-transitory computer readable medium
Inventors
Reichel, Andreas • Wiesner, Tobias • Steiger, Bernd
Assignees
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Publication Number
US-11877869-B2
Publication Date
2024-01-23
Expiration Date
Abstract
The disclosure relates to a method and a system for determining a carbohydrate intake event from glucose monitoring data indicative of a glucose level in a system having a data processing device provided with one or more processors. The method comprises steps of: receiving a glucose monitoring value by the data processing device, the glucose monitoring value indicating a glucose level sampled from a person in a bodily fluid in a glucose level measurement; receiving, by the data processing device, insulin bolus administration data indicating an insulin bolus of an insulin bolus administration; determining, by the data processing device, from an analysis of the glucose monitoring value, a carbohydrate intake event if one of the following is detected: the glucose monitoring value indicates a glucose level below a first threshold glucose level; and the glucose monitoring value indicates an elevated glucose level above a second threshold glucose level, and the insulin bolus indicated by the insulin bolus administration data is exceeding a corrective insulin bolus suitable for compensating for the elevated glucose level; and generating, by the data processing device, carbohydrate intake event data indicating the determined carbohydrate intake event. Further, a non-transitory computer readable medium is provided.
Core Innovation
The disclosure describes automatically detecting a carbohydrate intake event from glucose monitoring values in combination with insulin bolus administration data in a glucose monitoring system. Insulin bolus administration data are received indicating an insulin bolus administration at a bolus administration time, and glucose monitoring values are obtained from a glucose level measurement of a person in a bodily fluid.
A corrective insulin bolus suitable for compensating for an elevated glucose level is determined, and an occurrence of a carbohydrate intake event is determined from analysis of the glucose monitoring value within a time window of up to +/-30 minutes of the bolus administration time. The carbohydrate intake event is determined when the glucose monitoring value indicates a glucose level below a first threshold glucose level, or when the glucose monitoring value indicates an elevated glucose level above a second threshold glucose level and the insulin bolus indicated by the insulin bolus administration data is exceeding the corrective insulin bolus suitable for compensating for the elevated glucose level.
The system generates carbohydrate intake event data indicating the determined carbohydrate intake event and controls insulin administration by an ambulatory insulin pump based on the corrective insulin bolus and/or based on the determining of a carbohydrate event. The disclosure further describes that additional data can be generated indicative of an amount of carbohydrates associated with the carbohydrate intake event, and that signal data can be generated for signaling to a user at least the determination of the carbohydrate intake event and/or determination of data on an amount of carbohydrates.
Claims Coverage
The document includes three independent claim sets that cover a computer-implemented method, a system with display, and a non-transitory computer-readable medium. Across the independent claims, the coverage centers on determining a corrective insulin bolus and determining a carbohydrate intake event using first and second threshold comparisons combined with an insulin bolus exceeding condition, within a time window relative to the bolus event, based on glucose monitoring values sampled from bodily fluid.
Threshold-based carbohydrate intake event determination with corrective insulin bolus
Determining, from an analysis of the glucose monitoring value, the occurrence of a carbohydrate intake event within a time window of up to +/-30 minutes of the bolus administration time, wherein the occurrence of a carbohydrate intake event is determined if the glucose monitoring value indicates a glucose level below a first threshold glucose level; or the glucose monitoring value indicates an elevated glucose level above a second threshold glucose level, and the insulin bolus indicated by the insulin bolus administration data is exceeding the corrective insulin bolus suitable for compensating for the elevated glucose level.
Corrective insulin bolus compensating for elevated glucose
Determining a corrective insulin bolus suitable for compensating for an elevated glucose level from analysis of the glucose monitoring value.
Ambulatory insulin pump control based on corrective insulin bolus and/or carbohydrate event
Controlling insulin administration by an ambulatory insulin pump based on the corrective insulin bolus and/or based on the determining of a carbohydrate event.
Glucose monitoring value within 30-minute time relation to bolus administration
Conducting a glucose level measurement using a glucose measurement system to obtain a glucose monitoring value sampled from the person in a bodily fluid, the glucose level being sampled at a time up to 30 minutes before or after the bolus administration time; and determining carbohydrate intake event occurrence within a time window of up to +/-30 minutes of the bolus administration time.
System configured for carbohydrate event generation and display coupling
A glucose measurement system configured for conducting a glucose level measurement to obtain a glucose monitoring value; a data processing device with one or more processors; and a display device communicatively coupled to the data processing device, wherein the data processing device is configured to receive glucose monitoring value and insulin bolus administration data, determine a corrective insulin bolus and determine carbohydrate intake event occurrence within the specified time window using the first and second threshold and exceeding corrective insulin bolus condition, generate carbohydrate intake event data, and control insulin administration by an ambulatory insulin pump based on the corrective insulin bolus and/or based on the determining of a carbohydrate event.
Non-transitory computer-readable medium for corrective bolus, event determination, and pump control
A non-transitory computer readable medium storing a program causing a data processing device to receive glucose monitoring value and insulin bolus administration data, determine a corrective insulin bolus and determine occurrence of a carbohydrate intake event within a time window up to +/-30 minutes of the bolus administration time using the first and second threshold and exceeding condition, generate carbohydrate intake event data, and control insulin administration by an ambulatory insulin pump based on the corrective insulin bolus and/or based on the determining of a carbohydrate event.
Across the independent claims, the core inventive coverage is the combination of determining a corrective insulin bolus for elevated glucose, determining a carbohydrate intake event within +/-30 minutes of a bolus administration time using first/second threshold glucose comparisons together with an insulin bolus exceeding the corrective insulin bolus condition, and controlling insulin administration with an ambulatory insulin pump based on the corrective insulin bolus and/or the detected carbohydrate event.
Stated Advantages
Not explicitly described in patent.
Documented Applications
Not explicitly described in patent.
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