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-0195773 (2008-08-21) |
등록번호 | US-8442610 (2013-05-14) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 5 인용 특허 : 539 |
Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated o
Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may be updated after evaluating the calibration set for best calibration based on inclusion criteria with newly received reference analyte data. Fail-safe mechanisms are provided based on clinical acceptability of reference and analyte data and quality of sensor calibration. Algorithms provide for optimized prospective and retrospective analysis of estimated blood analyte data from an analyte sensor.
1. A method for calibrating a substantially continuous analyte sensor, the method comprising: receiving, by a communication module, a data stream comprising one or more sensor data points from a substantially continuous analyte sensor;receiving, by the communication module, reference data comprising
1. A method for calibrating a substantially continuous analyte sensor, the method comprising: receiving, by a communication module, a data stream comprising one or more sensor data points from a substantially continuous analyte sensor;receiving, by the communication module, reference data comprising one or more reference data points from a reference analyte monitor;forming, by a processor module, at least one matched data pair by matching the one or more reference data points to the one or more sensor data points;forming, by the processor module, a calibration data set using the one or more sensor data points and the one or more reference points using the at least one matched data pair;determining, by the processor module, a level of confidence based on data that forms the calibration data set by measuring an association of the calibration data set to a curve using a statistical analysis; andproviding one of a plurality of different display modes on a display screen based on the level of confidence. 2. The method of claim 1, wherein providing one of a plurality of different display modes comprises displaying at least one of error bars or ±values. 3. The method of claim 1, wherein providing one of a plurality of different display modes comprises initiating a normal display mode based on the level of confidence. 4. The method of claim 1, wherein providing one of a plurality of different display modes comprises initiating an initial fail-safe display mode based on the level of confidence. 5. The method of claim 4, wherein initiating the initial fail-safe mode comprises altering a user interface so that sensor data is not displayed. 6. The method of claim 4, wherein initiating the initial fail-safe mode comprises prompting a user to provide an updated reference analyte value. 7. The method of claim 6, further comprising re-determining a level of confidence based on the updated reference analyte value. 8. The method of claim 7, wherein providing one of a plurality of different display modes comprises initiating a full fail-safe mode based on the re-determined level of confidence. 9. The method of claim 1, wherein determining the level of confidence further comprises comparing the measure of the association with a threshold and wherein the level of confidence is determined to be sufficient based on a result of the comparison. 10. The method of claim 1, wherein determining the level of confidence comprises evaluating the calibration data set for clinical acceptability. 11. The method of claim 1, wherein determining the level of confidence comprises measuring an association of the calibration data set using statistical analysis and evaluating the calibration data set for clinical acceptability. 12. The method of claim 1, wherein the processor module is incorporated into sensor electronics, receiver electronics or both. 13. A system for calibrating a substantially continuous analyte sensor, the system comprising: a communication module configured to receive a data stream comprising one or more sensor data points from a substantially continuous analyte sensor, and to receive reference data comprising one or more reference data points from a reference analyte monitor; anda processor module configured to form a calibration data set using the one or more sensor data points and the one or more reference points, to determine a level of confidence based on data that forms the calibration data set, to initiate one of a plurality of different display modes on a display screen based on the level of confidence, to form a one or more matched data pairs based on the sensor data points and the reference data points, wherein the calibration data set is based on the one or more matched data pairs, and to determine the level of confidence by measuring an association of the calibration data set to a curve using a statistical analysis. 14. The system of claim 13, wherein the processor module is configured to initiate the one of the plurality of different display modes by providing, based on the confidence level, at least one of error bars or ± values on the display screen. 15. The system of claim 13, wherein the processor module is configured to initiate the one of a plurality of different display modes by initiating a normal display mode based on the level of confidence. 16. The system of claim 13, wherein the processor module is configured to initiate the one of a plurality of different display modes by initiating an initial fail-safe display mode based on the level of confidence. 17. The system of claim 16, wherein the processor module is configured to initiate the initial fail-safe mode by altering a user interface so that sensor data is not displayed. 18. The system of claim 17, wherein the processor module is configured to initiate the initial fail-safe mode by prompting a user to provide an updated reference analyte value. 19. The system of claim 18, wherein the processor module is further configured to re-determine a level of confidence based on the updated reference analyte value. 20. The system of claim 19, wherein the processor module is configured to initiate the one of a plurality of different display modes by initiating a full fail-safe mode based on the re-determined level of confidence. 21. The system of claim 13, wherein the processor module is configured to determine the level of confidence further by comparing the measure of the association with a threshold and wherein the level of confidence is determined to be sufficient based on the results of the comparison. 22. The system of claim 13, wherein the processor module is configured to determine the level of confidence by evaluating the calibration data set for clinical acceptability. 23. The system of claim 22, wherein if the calibration data set fails the statistical analysis, the clinical acceptability or both, the conversion function is recalculated using new reference data points and sensor data points. 24. The system of claim 13, wherein the processor module is incorporated into sensor electronics, receiver electronics or both. 25. A method for calibrating a substantially continuous analyte sensor, the method comprising: receiving in substantially real-time, by a communication module, a data stream comprising one or more sensor data points from a substantially continuous analyte sensor;calibrating in substantially real-time, by a processor module, the substantially continuous analyte sensor;determining in substantially real-time, by the processor module, a level of confidence based on the calibration; anddisplaying in substantially real-time at least one of error bars or ±values on a display screen based on the level of confidence. 26. A method for calibrating a substantially continuous analyte sensor, the method comprising: receiving in substantially real-time, by a communication module, a data stream comprising one or more sensor data points from a substantially continuous analyte sensor;calibrating in substantially real-time, by a processor module, the substantially continuous analyte sensor;determining in substantially real-time, by the processor module, a level of confidence based on the calibration; andinitiating in substantially real-time a normal display mode based on the level of confidence. 27. A method for calibrating a substantially continuous analyte sensor, the method comprising: receiving in substantially real-time, by a communication module, a data stream comprising one or more sensor data points from a substantially continuous analyte sensor;calibrating in substantially real-time, by a processor module, the substantially continuous analyte sensor;determining in substantially real-time, by the processor module, a level of confidence based on the calibration; andinitiating in substantially real-time an initial fail-safe display mode based on the level of confidence. 28. The method of claim 27, wherein initiating in substantially real-time the initial fail-safe mode comprises altering a user interface so that sensor data is not displayed. 29. The method of claim 27, wherein initiating in substantially real-time the initial fail-safe mode comprises prompting a user to provide an updated reference analyte value. 30. The method of claim 29, further comprising re-determining a level of confidence in substantially real-time based on the updated reference analyte value. 31. The method of claim 30, wherein providing one of a plurality of different display modes comprises initiating in substantially real-time a full fail-safe mode based on the re-determined level of confidence. 32. A system for calibrating a substantially continuous analyte sensor, the system comprising: a communication module configured to receive a data stream in substantially real-time comprising one or more sensor data points from a substantially continuous analyte sensor; anda processor module configured to calibrate the substantially continuous analyte sensor in substantially real-time, to determine a level of confidence in substantially real-time based on the calibration, and to provide at least one of error bars or ± values on a display screen in substantially real-time based on the level of confidence. 33. A system for calibrating a substantially continuous analyte sensor, the system comprising: a communication module configured to receive a data stream in substantially real-time comprising one or more sensor data points from a substantially continuous analyte sensor; anda processor module configured to calibrate the substantially continuous analyte sensor in substantially real-time, to determine a level of confidence in substantially real-time based on the calibration, and to initiate a normal display mode in substantially real-time based on the level of confidence. 34. A system for calibrating a substantially continuous analyte sensor, the system comprising: a communication module configured to receive a data stream in substantially real-time comprising one or more sensor data points from a substantially continuous analyte sensor; anda processor module configured to calibrate the substantially continuous analyte sensor in substantially real-time, to determine a level of confidence in substantially real-time based on the calibration, and to initiate an initial fail-safe display mode in substantially real-time based on the level of confidence. 35. The system of claim 34, wherein the processor module is configured to initiate the initial fail-safe mode in substantially real-time by altering a user interface so that sensor data is not displayed. 36. The system of claim 34, wherein the processor module is configured to initiate the initial fail-safe mode in substantially real-time by prompting a user to provide an updated reference analyte value. 37. The system of claim 36, wherein the processor module is further configured to re-determine a level of confidence in substantially real-time based on the updated reference analyte value. 38. The system of claim 37, wherein the processor module is configured to initiate the one of a plurality of different display modes in substantially real-time by initiating a full fail-safe mode based on the re-determined level of confidence.
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