IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0024101
(2008-01-31)
|
등록번호 |
US-8140312
(2012-03-20)
|
발명자
/ 주소 |
- Hayter, Gary
- Budiman, Erwin S
|
출원인 / 주소 |
- Abbott Diabetes Care Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
34 인용 특허 :
266 |
초록
Methods and apparatus for analyte level estimation are provided.
대표청구항
▼
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 pr
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; andfiltering, 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. 2. The method of claim 1, wherein the rate variance filter is adjusted back to the predetermined setting after a second predetermined time period lapses, wherein the second predetermined time period is greater than the first predetermined time period, wherein the second predetermined time is measured from the time the one or more external parameters exceeds the predetermined threshold level. 3. The method of claim 1 wherein the medication delivery profile includes an insulin delivery rate. 4. 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; andfiltering, 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. 5. The method of claim 1 wherein the medication delivery profile includes an insulin delivery rate. 6. The method of claim 1 including 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. 7. The method of claim 6 wherein the one or more external parameters includes one or more of a calorie intake amount, a level of physical exertion, or carbohydrate amount. 8. The method of claim 4 wherein filtering includes a Kalman filter. 9. The method of claim 4, wherein the present predicted analyte level estimate becomes the past predicted analyte level estimate in a subsequent iteration of the method. 10. The method of claim 4, wherein the rate variance filter is adjusted back to the predetermined setting after a second predetermined time period lapses, wherein the second predetermined time period is greater than that the first predetermined time period, wherein the second predetermined time is measured from the time the medication infusion rate exceeds the predetermined threshold level. 11. An apparatus, comprising: one or more processing units; anda 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. 12. The apparatus of claim 11 wherein the medication delivery profile includes an insulin delivery rate. 13. The apparatus of claim 11 wherein the 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 external parameters, and to determine the present predicted analyte level estimate based at least in part on the received one or more external parameters. 14. The apparatus of claim 13 wherein the one or more external parameters includes one or more of a calorie intake amount, a level of physical exertion, or carbohydrate amount. 15. The apparatus of claim 11 wherein the rate variance filter is adjusted back to the predetermined setting after a second predetermined time period lapses, wherein the second predetermined time period is greater than the first predetermined time period, wherein the second predetermined time is measured from the time the medication infusion rate exceeds the predetermined threshold level. 16. The apparatus of claim 13 wherein 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. 17. A method, comprising: 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; andfiltering, 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. 18. The method of claim 17 including reporting, using the one or more processors, the generated filtered analyte related signals. 19. The method of claim 18 wherein reporting the generated filtered analyte related signals includes displaying the generated filtered analyte related signals. 20. The method of claim 17 wherein anticipating a change in direction of the rate of change of the monitored analyte level occurs within a predetermined time following the received change in the characteristic information. 21. The method of claim 17, wherein the rate variance filter is adjusted back to the predetermined setting after a second predetermined time period lapses, wherein the second predetermined time period is greater than the first predetermined time period, wherein the second predetermined time is measured from the time the one or more external parameters exceeds the predetermined threshold level.
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