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-0495219 (2009-06-30) |
등록번호 | US-8665091 (2014-03-04) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 1080 |
Methods and systems for determining elapsed sensor life in medical systems, and more specifically continuous analyte monitoring systems.
1. A method of operating an analyte monitoring system comprising: providing a signal associated with initiation of an analyte sensor;providing a count from an incrementing counter, wherein the count is temporarily associated with the signal associated with the initiation of the analyte sensor;period
1. A method of operating an analyte monitoring system comprising: providing a signal associated with initiation of an analyte sensor;providing a count from an incrementing counter, wherein the count is temporarily associated with the signal associated with the initiation of the analyte sensor;periodically incrementing the count;storing the count temporally associated with the signal associated with the initiation of the analyte sensor, wherein when sensor life of the initiated analyte sensor has not expired and a system failure is detected, continuing use of the initiated analyte sensor based at least in part on the stored count;providing a new sensor count from a new sensor counter; andincrementing the new sensor count only when a new sensor is first initiated, wherein the new sensor count indicates the number of sensors used. 2. The method of claim 1, wherein the analyte sensor is a glucose sensor. 3. The method of claim 1, wherein incrementing the count is associated with a measurement cycle. 4. The method of claim 3, wherein the measurement cycle comprises a periodic calculation of an analyte. 5. The method of claim 4, including transmitting the periodic calculation of the measured analyte to a receiver. 6. The method of claim 5, wherein the analyte is glucose. 7. The method of claim 1, including storing the count temporally associated with the initiation of the analyte sensor in a memory device. 8. The method of claim 7, wherein the memory device is disposed in a receiver. 9. The method of claim 4, wherein the measurement cycle occurs every 60 seconds. 10. The method of claim 1, wherein the signal temporally associated with the initiation of the analyte sensor is detected after transcutaneous positioning of the analyte sensor. 11. The method of claim 10, including providing a second signal temporally associated with a second initiation of the analyte sensor. 12. The method of claim 11, including storing a second count temporally associated with the second signal temporally associated with the second initiation of the analyte sensor in a memory device. 13. The method of claim 12, wherein the second count temporally associated with the second initiation of the analyte sensor is compared to the count temporally associated with the initiation of the analyte sensor to determine elapsed life of the analyte sensor. 14. The method of claim 12, wherein the second count and the count are derived from a Hobbs counter. 15. The method of claim 1, wherein the system failure is a component failure. 16. The method of claim 15, wherein the component is a transmitter or receiver. 17. The method of claim 1, wherein the system failure includes a battery drain, power shut-down, or reset. 18. The method of claim 1, including outputting a message or alarm when the system failure occurs. 19. The method of claim 18, including storing the incremented count. 20. The method of claim 19, wherein storing the incremented count occurs only after the system failure. 21. The method of claim 20, wherein the system failure includes battery drain, power shut-down, or reset. 22. The method of claim 1, wherein incrementing the count is associated with transmission of data packets. 23. The method of claim 7, wherein the memory device is a nonvolatile memory device, such that count information stored in the memory is not lost during the system failure. 24. A method of operating an analyte monitoring system comprising: providing a signal associated with initiation of an analyte sensor;providing a count from an incrementing counter, wherein the count is temporarily associated with the initiation of the sensor signal;storing the count temporally associated with the initiation of the sensor signal in a memory device;incrementing the count by a periodic cycle of analyte level measurement;determining elapsed or remaining time of the analyte sensor by comparing the stored count with the incremented count; wherein when the elapsed or remaining time of the analyte sensor is determined to not have expired and a system failure is detected, continuing use of the analyte sensor based at least in part on the count;providing a new sensor count from a new sensor counter; andincrementing the new sensor count only when a new sensor is first initiated, wherein the new sensor count indicates the total number of sensors used. 25. The method of claim 24, further including outputting a message or alarm when the system failure is detected. 26. The method of claim 25, wherein the outputted message or alarm is displayed on a display unit. 27. The method of claim 24, wherein the determining elapsed or remaining time of the analyte sensor occurs at a receiver. 28. The method of claim 24, wherein the count is stored at a first component, and further wherein incrementing the count occurs at a second component. 29. The method of claim 28, wherein the first component is a receiver. 30. The method of claim 28, wherein the second component is a transmitter. 31. The method of claim 24, wherein the count is stored in a non-volatile memory. 32. The method of claim 24, wherein the analyte sensor is a glucose sensor. 33. The method of claim 32, wherein the analyte sensor is configured to measure an analyte level that is transmitted to a receiver. 34. A data processing device, comprising: a first counter configured to incrementally count;a data communication unit;a data processing section coupled to the data communication unit and the first counter, the data processing section configured to determine an elapsed life of an analyte sensor; wherein when a device failure is detected and the determined elapsed life indicates that sensor life has not expired, continuing use of the analyte sensor based at least in part on the first counter configured to incrementally count; anda new sensor counter coupled to the data processing section and configured to increment a new sensor count only when a new sensor is first initiated, wherein the new sensor count indicates the total number of sensors used. 35. The data processing device of claim 34, wherein the analyte sensor is configured to generate a signal associated with a level of measured analyte. 36. The data processing device of claim 34, further including a storage unit configured to store a count temporally associated with initiation of the analyte sensor. 37. The data processing device of claim 36, wherein the first counter includes a non-volatile memory unit. 38. The data processing device of claim 37, wherein the count temporally associated with the initiation of the analyte sensor is stored in the first counter. 39. The data processing device of claim 36, wherein the data processing device is configured to compare the stored count with an incremented count associated with the first counter to determine the elapsed life of the analyte sensor. 40. The data processing device of claim 39, wherein the data processing unit is configured to estimate the remaining sensor life based on the stored count and the incremented count. 41. The data processing device of claim 36, further including an output unit configured to output one or more signals associated with the count. 42. The data processing device of claim 41, wherein the output unit includes a display unit. 43. The data processing device of claim 34, further including a second counter. 44. The data processing device of claim 43, wherein the second counter is configured to incrementally count only when the analyte sensor is initiated. 45. The data processing device of claim 44, wherein the data processing device is configured to determine a number of sensors employed by an incremental count related to an initialization of a second sensor. 46. A method of operating an analyte monitoring system comprising: providing a signal associated with initiation of an analyte sensor;providing a first counter to count incrementally; andproviding a second counter to incrementally count by one only when a new sensor is first initiated; wherein when sensor life of the initiated analyte sensor has not expired and a system failure is detected, continuing use of the initiated analyte sensor based at least in part on the first counter and the second counter. 47. The method of claim 46, wherein the first counter is a Hobbs counter, and the second counter is a sensor counter, and further wherein the method includes storing a count of the Hobbs counter when the sensor counter increments by one. 48. The method of claim 46, wherein the method further includes determining a number of sensors initiated by determining a count of the second counter. 49. The method of claim 47, wherein elapsed life of the analyte sensor is determined by comparing the count of the Hobbs counter and a count of the sensor counter. 50. The method of claim 46, wherein the first counter is a twenty-bit counter, and the second counter is an eight-bit counter.
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