최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0175392 (2011-07-01) |
등록번호 | US-9420965 (2016-08-23) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 431 |
Systems and methods for dynamically and intelligently estimating analyte data from a continuous analyte sensor, including receiving a data stream, selecting one of a plurality of algorithms, and employing the selected algorithm to estimate analyte values. Additional data processing includes evaluati
Systems and methods for dynamically and intelligently estimating analyte data from a continuous analyte sensor, including receiving a data stream, selecting one of a plurality of algorithms, and employing the selected algorithm to estimate analyte values. Additional data processing includes evaluating the selected estimative algorithms, analyzing a variation of the estimated analyte values based on statistical, clinical, or physiological parameters, comparing the estimated analyte values with corresponding measure analyte values, and providing output to a user. Estimation can be used to compensate for time lag, match sensor data with corresponding reference data, warn of upcoming clinical risk, replace erroneous sensor data signals, and provide more timely analyte information encourage proactive behavior and preempt clinical risk.
1. An analyte monitoring system, the system comprising: an analyte sensor configured to generate a stream of sensor data over a time period;a processor module configured to: receive the sensor data;receive reference data generated by a reference analyte monitor;match one or more sensor data points o
1. An analyte monitoring system, the system comprising: an analyte sensor configured to generate a stream of sensor data over a time period;a processor module configured to: receive the sensor data;receive reference data generated by a reference analyte monitor;match one or more sensor data points of the sensor data with one or more data points of the reference data;calibrate at least some of the sensor data using the matched data;determine a first time lag of the calibrated sensor data associated with a first portion of the time period and determine a second time lag of the calibrated sensor data associated with a second, discrete portion of the time period, wherein the first time lag is different than the second time lag; andestimate analyte values based on the calibrated sensor data and the first and second time lags; andan output module configured to output information representative of the estimated analyte values. 2. The system of claim 1, wherein the processor module is configured to form a conversion function or to modify a conversion function using the matched data. 3. The system of claim 2, wherein the processor module is configured to calibrate by converting the at least some of the sensor data into glucose concentration values using the conversion function. 4. The system of claim 1, wherein the sensor is a subcutaneous glucose sensor and wherein the reference analyte monitor is a blood glucose meter. 5. The system of claim 1, wherein the sensor is a transcutaneous glucose sensor and wherein the reference analyte monitor is a blood-glucose meter. 6. The system of claim 1, wherein the processor module is configured to determine by taking into account one or more of a) a physiological time lag with respect to reference data and sensor data, b) a membrane-induced time lag, or c) a computationally-induced time lag. 7. The system of claim 1, wherein the analyte sensor is configured to measure an interstitial glucose concentration of a host and the reference monitor is configured to measure a blood glucose concentration of the host. 8. The system of claim 1, wherein the processor module is configured to match by selecting an algorithm from a plurality of algorithms based on determined sensor data time lag information. 9. The system of claim 1, wherein the system is further configured to measure a time lag associated with at least some of the sensor data and at least some of the reference data, wherein the processor module is configured to determine one or more of the first and second time lags using the measured time lag. 10. The system of claim 1, wherein the output module comprises a user interface configured to provide information representative of the estimated analyte values to a user. 11. The system of claim 1, wherein the output module is configured to transmit information representative of the estimated analyte values to one or more of a computer or an insulin pump. 12. A method for monitoring an analyte concentration in a host, comprising: generating a sensor data stream over a time period using a continuous analyte sensor;receiving reference data generated by a reference analyte monitor;periodically determining, using electronics circuitry, one or more time lag factors associated with a time lag of sensor data of the sensor data stream over the time period;dynamically adjusting, using the electronics circuitry, a time lag value using the determined time lag factors;forming, using the electronics circuitry, matched data pairs by matching one or more sensor data points of the sensor data with one or more reference data points of the reference data;calibrating, using the electronics circuitry, at least some of the sensor data using the matched data pairs;estimating, using the electronics circuitry, analyte values based on the calibrated sensor data and the dynamically adjusted time lag value; andoutputting, using the electronics circuitry, information indicative of the estimated analyte values. 13. The method of claim 12, wherein the time lag factors include one of a) a physiological time lag with respect to reference data and sensor data, b) a membrane-induced time lag, or c) a computationally-induced time lag. 14. The method of claim 12, wherein forming matched data pairs comprises averaging a plurality of sensor data points and matching the averaged plurality of sensor data points with a reference data point to form a matched data pair. 15. The method of claim 12, wherein the sensor is a subcutaneous glucose sensor, and wherein the reference analyte monitor is a blood glucose meter. 16. The method of claim 12, wherein the sensor is a transcutaneous glucose sensor, and wherein the reference analyte monitor is a blood glucose meter. 17. The method of claim 12, further comprising forming a conversion function or modifying a conversion function using the matched data pairs. 18. The method of claim 17, wherein the calibrating includes converting the at least some of the sensor data into glucose concentration values using the conversion function. 19. The method of claim 12, wherein outputting comprises displaying information representative of the estimated analyte values on a user interface. 20. The method of claim 12, wherein outputting comprises transmitting information representative of the estimated analyte values to one or more of a computer and an insulin pump.
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