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 | UP-0645270 (2009-12-22) |
등록번호 | US-7835777 (2011-01-16) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 82 인용 특허 : 446 |
Devices and methods for determining analyte levels are described. The devices and methods allow for the implantation of analyte-monitoring devices, such as glucose monitoring devices, that result in the delivery of a dependable flow of blood to deliver sample to the implanted device. The devices com
Devices and methods for determining analyte levels are described. The devices and methods allow for the implantation of analyte-monitoring devices, such as glucose monitoring devices, that result in the delivery of a dependable flow of blood to deliver sample to the implanted device. The devices comprise a unique microarchitectural arrangement in the sensor region that allows accurate data to be obtained over long periods of time.
What is claimed is: 1. A system for processing sensor data from a continuous analyte sensor, comprising: a sensor comprising one or more electrodes configured for implantation in a subcutaneous tissue of a host, wherein the sensor is configured to continuously measure an analyte concentration in th
What is claimed is: 1. A system for processing sensor data from a continuous analyte sensor, comprising: a sensor comprising one or more electrodes configured for implantation in a subcutaneous tissue of a host, wherein the sensor is configured to continuously measure an analyte concentration in the host, whereby sensor data indicative of the subcutaneous analyte concentration is obtained; and an electronic system operably connected to the sensor and configured to calibrate the sensor data in real-time using a reference value determined by analysis of blood, wherein the electronic system is configured to calibrate the sensor data by correlating the reference value with a time-spaced sensor data value of the sensor data. 2. The system of claim 1, wherein the electronic system is configured to determine trends in analyte concentration. 3. The system of claim 1, wherein the system is configured to provide a substantially stable measurement of the analyte concentration in the host, wherein at least 95% of calibrated sensor data values are within 25% of corresponding values determined by analysis of blood over a useful life of the device. 4. The system of claim 1, wherein the analyte is glucose, and wherein the calibration is substantially linear at a glucose concentration of from about 40 mg/dL to about 500 mg/dL. 5. The system of claim 1, wherein the sensor is configured to continuously measure the analyte concentration in the host for at least about 3 days. 6. The system of claim 1, wherein the sensor is configured to continuously measure the analyte concentration in the host for at least about 5 days. 7. The system of claim 1, wherein the sensor is configured to continuously measure the analyte concentration in the host for at least about 7 days. 8. The system of claim 1, wherein the electronic system is physically coupled to the sensor. 9. The system of claim 1, wherein the electronic system is operably connected via radio telemetry to the sensor. 10. The system of claim 1, wherein an offset current defined by a current at 0 mg/dL is configured to remain stable during a period of time of continuous measurement of the analyte concentration in the host. 11. The system of claim 1, wherein the analyte is glucose. 12. A method for processing real-time sensor data from a continuous analyte sensor, comprising: calibrating, with an electronic system, data from a sensor configured to continuously measure a subcutaneous analyte concentration in a host, wherein calibrating comprises correlating a reference value determined by analysis of blood with a time-spaced sensor data value of the sensor data, and wherein the calibrating is performed during a period of time of continuous subcutaneous analyte concentration measurement. 13. The method of claim 12, wherein the electronic system is configured to determine trends in analyte concentration. 14. The method of claim 12, wherein the method is configured to provide a substantially stable measurement of the analyte concentration in the host, wherein at least 95% of calibrated sensor data values are within 25% of corresponding values determined by analysis of blood over a useful life of the device. 15. The method of claim 12, wherein the analyte is glucose, and wherein the calibration is substantially linear at a glucose concentration of from about 40 mg/dL to about 500 mg/dL. 16. The method of claim 12, wherein the sensor is configured to continuously measure the analyte concentration in the host for at least about 3 days. 17. The method of claim 12, wherein the sensor is configured to continuously measure the analyte concentration in the host for at least about 5 days. 18. The method of claim 12, wherein the sensor is configured to continuously measure the analyte concentration in the host for at least about 7 days. 19. The method of claim 12, wherein the electronic system is configured to be physically coupled to the sensor. 20. The method of claim 12, further comprising receiving the sensor data via radio telemetry using a receiver of the electronic system. 21. The method of claim 12, wherein an offset current defined by a current at 0 mg/dL is configured to remain stable over the period of time. 22. The method of claim 12, wherein the analyte is glucose.
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