Infusion Pump Systems and Methods
First Claim
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1. A method of operating an insulin infusion pump system, comprising:
- determining a total insulin load for a particular time that accounts for a bolus insulin load, a basal insulin load, and a previous food component, wherein;
the bolus insulin load is indicative of one or more bolus insulin dosages that have been dispensed into a user from a portable infusion pump system but not yet acted in the user, the basal insulin load is indicative of one or more basal insulin dosages that have been dispensed into the user from the portable infusion pump system but not yet acted in the user; and
the previous food component is based upon previous food intake that has not yet metabolized in the user;
storing a calculated value for the total insulin load and a time value for the particular time in a computer-readable memory device of the portable infusion pump system; and
displaying the calculated value for the total insulin load on a display device of the portable infusion pump system.
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Abstract
Some embodiments an infusion pump system can be used to determine a user'"'"'s total insulin load (TIL) that provides an accurate indication of the insulin previously delivered to the user'"'"'s body which has not yet acted. In particular embodiments, the TIL can account for both the bolus deliveries and the basal deliveries that have occurred over a period of time. Such information may be useful, for example, when the infusion pump is operated in conjunction with a continuous glucose monitoring device.
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Citations
20 Claims
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1. A method of operating an insulin infusion pump system, comprising:
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determining a total insulin load for a particular time that accounts for a bolus insulin load, a basal insulin load, and a previous food component, wherein;
the bolus insulin load is indicative of one or more bolus insulin dosages that have been dispensed into a user from a portable infusion pump system but not yet acted in the user, the basal insulin load is indicative of one or more basal insulin dosages that have been dispensed into the user from the portable infusion pump system but not yet acted in the user; and
the previous food component is based upon previous food intake that has not yet metabolized in the user;storing a calculated value for the total insulin load and a time value for the particular time in a computer-readable memory device of the portable infusion pump system; and displaying the calculated value for the total insulin load on a display device of the portable infusion pump system. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of operating an insulin infusion pump system, comprising:
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receiving user input indicative of a request to suggest a bolus dosage; receiving user input indicative of a proposed food intake to be consumed by a user of a portable infusion pump system; receiving glucose information indicative of a glucose level of the user; storing a calculated value for a total insulin load of the user in a computer-readable memory device of the portable infusion pump system, wherein the total insulin load accounts for (i) a bolus insulin load indicative of one or more bolus insulin dosages that have been dispensed into the user but not yet acted in the user, (ii) a basal insulin load indicative of one or more basal insulin dosages that have been dispensed into the user from the portable infusion pump system but not yet acted in the user; and
(iii) a previous food component based upon previous food intake that has not yet metabolized in the user;determining a bolus suggestion value according to a function that includes the total insulin load of the user; and displaying the bolus suggestion value on a display device of the portable infusion pump system. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method of operating an insulin infusion pump system, comprising:
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dispensing insulin from a portable infusion pump system to a user, the portable infusion pump system comprising a pump housing at least partially containing a pump drive system to dispense the insulin through a flow path to the user, and a controller that activates the pump drive system to dispense the insulin from the portable pump housing; wirelessly receiving a communication from a glucose sensor device indicative of glucose information, the glucose information being indicative of a detected blood glucose level of the user; storing a calculated value for a total insulin load and a time value for the particular time in a computer-readable memory device of the portable infusion pump system, the total insulin load being indicative of bolus and basal insulin dosages that have dispensed but not yet acted in the user; and displaying contemporaneously on a user interface display of the portable infusion pump system a glucose value indicative of the detected blood glucose level of the user and the calculated value for the total insulin load. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification