IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0899623
(2004-07-27)
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등록번호 |
US-7344500
(2008-03-18)
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발명자
/ 주소 |
- Talbot,Cary D.
- Mastrototaro,John J.
- Shah,Rajiv
- Chernoff,Edward
- Mueller, Jr.,John C.
- Shahmirian,Varaz
- Purvis,Richard E.
- Morgan,Wayne A.
- Gottlieb,Rebecca K.
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출원인 / 주소 |
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대리인 / 주소 |
Pillsbury Winthrop Shaw Pittman LLP
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인용정보 |
피인용 횟수 :
158 인용 특허 :
95 |
초록
▼
A system is provided for sensing blood glucose data of a patient. The system includes a sensor, user interface, and an optional auxiliary device. If the connection between the sensor and user interface is by a wire, the sensor remains powered when the wire is disconnected. The communication betwe
A system is provided for sensing blood glucose data of a patient. The system includes a sensor, user interface, and an optional auxiliary device. If the connection between the sensor and user interface is by a wire, the sensor remains powered when the wire is disconnected. The communication between the sensor and the user interface may be wireless. The auxiliary device can be a patient monitor or other display or signal device, which displays information about the blood glucose data collected by the sensor. The sensor is connected to sensor electronics, which include a sensor power supply, a voltage regulator, and optionally a memory and processor.
대표청구항
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What is claimed is: 1. A system for sensing blood glucose concentration of a person, the system comprising: a real-time sensor to sense blood glucose data in real-time; a user interface; a wire having a first end coupled to the sensor and a second end coupled to the user interface so as to couple t
What is claimed is: 1. A system for sensing blood glucose concentration of a person, the system comprising: a real-time sensor to sense blood glucose data in real-time; a user interface; a wire having a first end coupled to the sensor and a second end coupled to the user interface so as to couple the sensor to the user interface through the wire, wherein the user interface is adapted to communicate with the sensor over the wire and the wire is detachable from at least one of the sensor or the user interface so as to decouple the sensor from the user interface; sensor electronics in electrical communication with the sensor, wherein the sensor includes a connector and the sensor electronics are coupled to the sensor using the connector, and wherein the sensor electronics include a power source which supplies power to the sensor and is activated when the sensor is coupled to the sensor electronics. 2. The system of claim 1, further comprising a patient monitor adapted to communicate with the user interface. 3. The system of claim 2, wherein the user interface and the patient monitor are integrated into a single unit. 4. The system of claim 2, wherein the user interface and the patient monitor each include a wireless transceiver for wireless communication between the patient monitor and the user interface. 5. The system of claim 4, wherein the user interface includes at least one rechargeable battery for providing power to the sensor, and wherein the patient monitor includes a power source for providing power to the user interface for recharging the at least one rechargeable battery. 6. The system of claim 5, wherein the sensor remains powered and operable when the user interface is decoupled from the sensor. 7. The system of claim 1, further comprising a patient monitor adapted to communicate with the sensor, the patient monitor residing in a different housing than the user interface. 8. The system of claim 7, wherein the sensor includes a wireless transmitter and the patient monitor includes a wireless receiver for wireless communication between the sensor and the patient monitor. 9. The system of claim 1, wherein the user interface includes a power supply for supplying power to the sensor. 10. The system of claim 9, wherein the power supply of the user interface includes a transformer. 11. The system of claim 1, wherein the power source of the sensor electronics includes at least one rechargeable battery, and wherein the user interface includes a power supply for providing power to the sensor electronics for recharging the battery of the sensor electronics when the sensor electronics are coupled to the user interface. 12. The system of claim 1, wherein the sensor electronics include a reference memory for storing reference values for the sensor. 13. The system of claim 12, wherein the reference values for the sensor are factory supplied reference values. 14. The system of claim 12, wherein the reference memory is nonvolatile. 15. The system of claim 14, wherein the reference memory is a flash memory. 16. The system of claim 15, wherein the flash memory is included in a removable flash memory card. 17. The system of claim 12, wherein the reference values are values obtained from a blood glucose meter. 18. The system of claim 17, wherein the blood glucose meter is coupled to the sensor electronics. 19. The system of claim 18, wherein the blood glucose meter and the sensor are integrated into a single housing. 20. The system of claim 12, wherein the reference values are values for calibrating the blood glucose data. 21. The system of claim 12, wherein the sensor electronics retain power and retain the reference values when the sensor electronics are detached from the user interface. 22. The system of claim 12, wherein the sensor electronics are adapted to communicate with a second user interface. 23. The system of claim 1, wherein the sensor is a subcutaneous sensor. 24. The system of claim 1, wherein the user interface is a hand-held device. 25. The system of claim 1, wherein the user interface includes an output device and data is sent to the output device. 26. The system of claim 25, wherein the output device is a display. 27. The system of claim 1, wherein the user interface includes an input device which is adapted to receive data. 28. The system of claim 27, wherein the input device is a blood glucose meter. 29. The system of claim 27, wherein the input device is a keypad. 30. The system of claim 27, wherein the input device is a personal computer. 31. The system of claim 1, wherein the sensor includes one of a mechanical switch or a magnetic switch. 32. The system of claim 1, wherein the sensor electronics further include a measurement processor. 33. The system of claim 32, wherein the measurement processor is configured to determine whether the sensor is no longer functioning properly. 34. The system of claim 32, wherein the measurement processor is configured to determine whether the sensor requires calibration. 35. The system of claim 32, wherein the measurement processor is configured to estimate the remaining battery life. 36. The system of claim 32, wherein the sensor electronics activates an alarm coupled to the sensor electronics when the measurement processor determines that one or more of the following events have occurred: (a) the sensor is no longer functioning properly; (b) the sensor requires calibration; (c) the power supply is low on power; (d) communication between the sensor and another device has been lost; (e) an error has occurred; (f) blood glucose data sensed by the sensor exceeds a predetermined upper threshold; (e) blood glucose data sensed by the sensor falls below a predetermined lower threshold. 37. The system of claim 36, wherein the alarm is one or more of an audible alarm, a visible alarm or a tactile alarm. 38. A system for sensing blood glucose data of a patient, the system comprising: a sensor to sense blood glucose data; sensor electronics coupled to the sensor and adapted to communicate with the sensor, the sensor electronics including a sensor power supply to supply power to the sensor, and memory to store information representative of the blood glucose data sensed by the sensor and to store reference values for calibration of the blood glucose data received from the sensor, wherein the sensor electronics include a connector for wired communication and the sensor power supply is activated whenever the sensor is connected to a device by the connector; and a user interface adapted to communicate with the sensor electronics, the user interface including an input for inputting information into the memory of the sensor electronics. 39. The system of claim 38, further comprising a patient monitor adapted to communicate with the user interface, the patient monitor residing in a different housing than the user interface and including a display to display information representative of the blood glucose data sensed by the sensor. 40. The system of claim 39, wherein the user interface and the patient monitor each include a wireless transceiver for wireless communication between the user interface and the patient monitor. 41. The system of claim 39, wherein the patient monitor includes a power source for providing power to the user interface. 42. The system of claim 38, wherein the sensor electronics memory stores at least the previous four hours of sensor data. 43. The system of claim 38, wherein the sensor electronics includes a wireless transmitter and the user interface includes a wireless receiver for wireless communication between the sensor electronics and the user interface. 44. The system of claim 38, further including a removable wire connecting the sensor electronics to the user interface for wired communication between the sensor and the user interface. 45. The system of claim 38, wherein the sensor power supply comprises at least one battery. 46. The system of claim 45, wherein the at least one battery is rechargeable, and at least one of the user interface and the patient monitor includes a power source for providing power to the sensor electronics for recharging the at least one battery. 47. The system of claim 38, wherein the sensor power supply continues to supply power to the sensor when the sensor electronics is not in communication with the user interface and the patient monitor. 48. The system of claim 38, wherein the sensor electronics include a processor to process the blood glucose data received from the sensor. 49. The system of claim 38, wherein the reference values are input by users of the system. 50. The system of claim 38, wherein the reference values are factory supplied reference values that are not changeable by users of the system. 51. The system of claim 38, wherein the reference values are stored in a nonvolatile memory. 52. The system of claim 51, wherein the nonvolatile memory is a flash memory. 53. The system of claim 52, wherein the flash memory is included in a removable flash memory card. 54. The system of claim 38, wherein the reference values are obtained from a blood glucose meter. 55. The system of claim 54, wherein the blood glucose meter is coupled to the sensor electronics. 56. The system of claim 55, wherein the blood glucose meter and the sensor are integrated into a single housing. 57. The system of claim 38, wherein the sensor electronics include a processor to calibrate the blood glucose data and a calibration memory having calibrated blood glucose data stored therein. 58. The system of claim 38, wherein the sensor is a real-time sensor to sense blood glucose data in real-time. 59. The system of claim 38, wherein the sensor is a subcutaneous sensor. 60. An apparatus for use in sensing blood glucose concentration of a person, the apparatus comprising: a real-time sensor to sense blood glucose data in real-time; sensor electronics including a rechargeable power supply coupled to the sensor for providing operational power to the sensor and a connector for wired contact with the sensor, wherein the rechargeable power supply is activated whenever the sensor is connected to the sensor electronics by the connector; wherein the sensor electronics are adapted to: (a) be coupled to and subsequently decoupled from a user interface; (b) supply power to the sensor when the user interface is coupled to the sensor electronics and when the sensor electronics is not coupled to the user interface; and (c) be recharged by the user interface when the user interface is coupled to the sensor electronics. 61. The apparatus of claim 60, wherein the sensor electronics are further adapted for wired communication with the user interface. 62. The apparatus of claim 60, wherein the rechargeable power supply comprises at least one rechargeable battery. 63. The apparatus of claim 60, wherein the sensor electronics is adapted to communicate with a patient monitor over a wireless communication link, the patient monitor residing in a different housing than the user interface. 64. The apparatus of claim 60, wherein the sensor electronics include a processor to process the blood glucose data received from the sensor. 65. The apparatus of claim 60, wherein the sensor electronics include memory to store information representative of the blood glucose data sensed by the sensor and to store the reference values. 66. The apparatus of claim 65, wherein the memory further stores reference values obtained from a blood glucose meter for calibration of the blood glucose data received from the sensor. 67. The apparatus of claim 65, wherein the memory is a flash memory. 68. The apparatus of claim 67, wherein the flash memory is included in a removable flash memory card. 69. The apparatus of claim 65, wherein the sensor electronics include a processor to calibrate the blood glucose data. 70. The apparatus of claim 69, wherein the memory further stores calibrated blood glucose data.
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