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-0928574 (2007-10-30) |
등록번호 | US-9011332 (2015-04-21) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 1673 |
An analyte monitor includes a sensor, a sensor control unit, and a display unit. The sensor has, for example, a substrate, a recessed channel formed in the substrate, and conductive material disposed in the recessed channel to form a working electrode. The sensor control unit typically has a housing
An analyte monitor includes a sensor, a sensor control unit, and a display unit. The sensor has, for example, a substrate, a recessed channel formed in the substrate, and conductive material disposed in the recessed channel to form a working electrode. The sensor control unit typically has a housing adapted for placement on skin and is adapted to receive a portion of an electrochemical sensor. The sensor control unit also includes two or more conductive contacts disposed on the housing and configured for coupling to two or more contact pads on the sensor. A transmitter is disposed in the housing and coupled to the plurality of conductive contacts for transmitting data obtained using the sensor. The display unit has a receiver for receiving data transmitted by the transmitter of the sensor control unit and a display coupled to the receiver for displaying an indication of a level of an analyte. The analyte monitor may also be part of a drug delivery system to alter the level of the analyte based on the data obtained using the sensor.
1. A system, comprising: an analyte sensor for transcutaneous placement under a skin layer and in fluid contact with an interstitial fluid to monitor an analyte level;a housing for placement on a skin surface, the housing including sensor electronics disposed within the housing and electrically coup
1. A system, comprising: an analyte sensor for transcutaneous placement under a skin layer and in fluid contact with an interstitial fluid to monitor an analyte level;a housing for placement on a skin surface, the housing including sensor electronics disposed within the housing and electrically coupled via electrical contacts with the analyte sensor, the sensor electronics including: a sensor circuit configured to obtain signals from the analyte sensor;a measurement circuit including a current to frequency converter configured to convert the sensor circuit signals obtained by the sensor circuit to a data format for use by digital logic circuits;a processing circuit including an application specific integrated circuit operatively coupled to the measurement circuit to evaluate converted data for transmission, wherein the processing circuit is configured to reduce noise or errors in a data stream from the measurement circuit; anda receiver configured to receive a data transmission from the sensor electronics, wherein when the receiver has not been activated for a predetermined period of time, the receiver is configured to receive the data transmission from the sensor electronics but not to display the data related to analyte concentration. 2. The system of claim 1, wherein the housing is waterproof. 3. The system of claim 1, wherein the housing is a single integrated housing. 4. The system of claim 1, wherein the housing has a height dimension of 1.3 cm or less. 5. The system of claim 1, wherein the housing has a height dimension of 0.7 cm or less. 6. The system of claim 1, wherein the housing has a weight of 90 grams or less. 7. The system of claim 1, wherein the housing has a weight of 25 grams or less. 8. The system of claim 1, wherein the housing has a volume of about 15 cm3 or less. 9. The system of claim 1, wherein the housing has a volume of about 5 cm3 or less. 10. The system of claim 1, wherein the housing has a volume of about 2.5 cm3 or less. 11. The system of claim 1, wherein the current to frequency converter includes a capacitor configured to charge using the signals from the analyte sensor, and when a potential across the capacitor exceeds a threshold value, the capacitor is configured to discharge. 12. The system of claim 1, wherein the sensor electronics further includes a transmitter unit operatively coupled to the processing circuit to wirelessly transmit the converted data to the receiver. 13. The system of claim 12, wherein the transmitter unit includes a radio frequency (RF) transmitter. 14. The system of claim 1, wherein the sensor electronics is configured to change a data transmission frequency or a frequency band, activate or deactivate an alarm, transmit data at a higher rate, correct signals from the sensor, or one or more combinations thereof based on a signal received from the receiver. 15. The system of claim 14, wherein the received signal includes calibration data used to correct the sensor signals. 16. The system of claim 1, further comprising a watch dog circuit operatively coupled to the processing circuit and provided in the housing, wherein the watch dog circuit is configured to determine if the sensor electronics in the housing are operating correctly. 17. The system of claim 16, wherein the watch dog circuit is further configured to activate an alarm or shut down the sensor electronics when an error is detected. 18. The system of claim 1, wherein upon actuation of a switch, the processing circuit controls the sensor electronics to transition from an inactive state to an active state. 19. The system of claim 1, wherein the analyte sensor is a glucose sensor. 20. A system, comprising: an analyte sensor for transcutaneous placement under a skin layer and in fluid contact with an interstitial fluid to monitor an analyte level;a water resistant housing for placement on a skin surface, the housing including sensor electronics disposed within the housing and electrically coupled via electrical contacts with the analyte sensor, the sensor electronics including: a sensor circuit configured to obtain signals from the analyte sensor;a measurement circuit including a current to frequency converter configured to convert the sensor circuit signals obtained by the sensor circuit to a data format for use by digital logic circuits;a processing circuit operatively coupled to the measurement circuit to evaluate converted data and to reduce noise or errors in a data stream from the measurement circuit, wherein the processing circuit includes an application specific integrated circuit;a data transmitter unit operatively coupled to the processing circuit to wirelessly transmit the converted data; anda receiver configured to receive a data transmission from the sensor electronics, wherein when the receiver has not been activated for a predetermined period of time, the receiver is configured to receive the data transmission from the sensor electronics but not to display the data related to the analyte concentration. 21. The system of claim 20, wherein the sensor electronics is configured to change data transmission frequency or frequency band, activate or deactivate an alarm, transmit data at a higher rate, correct signals from the sensor, or one or more combinations thereof. 22. The system of claim 20, wherein the data transmitter unit of the sensor electronics transmits factory set calibration data to the receiver to calibrate the sensor signals. 23. The system of claim 20, further comprising a watch dog circuit operatively coupled to the processing circuit, the watch dog circuit provided in the housing and configured to determine if the sensor electronics in the housing are operating correctly. 24. The system of claim 23, wherein the watch dog circuit is further configured to activate an alarm or shut down the sensor electronics when an error is detected. 25. The system of claim 20, wherein when the processing circuit detects a change in resistance across electrical contacts on or sensor electronics in the housing or upon actuation of a switch, the processing circuit controls the sensor electronics to transition from an inactive state to an active state. 26. The system of claim 20, wherein the analyte sensor is a glucose sensor. 27. The system of claim 20, wherein the measurement circuit includes a capacitor configured to charge using the signals from the analyte sensor, and when the potential across the capacitor exceeds a threshold value, the capacitor is configured to discharge. 28. The system of claim 1, wherein one or more threshold levels associated with the converted data is configured by a user, the one or more threshold levels associated with a condition related to evaluation of the converted data for transmission. 29. The system of claim 20, wherein one or more threshold levels associated with the converted data is configured by a user, the one or more threshold levels associated with a condition related to evaluation of the converted data for transmission.
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