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-0240441 (2005-09-29) |
등록번호 | US-8092379 (2012-01-10) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 744 |
A sensor may be placed on a patient to obtain physiological measurements. The application of the sensor on the patient may start a timer set to run for a given time interval. If the sensor is repositioned before the interval is expired, the timer is reset. If the time expires without the sensor bein
A sensor may be placed on a patient to obtain physiological measurements. The application of the sensor on the patient may start a timer set to run for a given time interval. If the sensor is repositioned before the interval is expired, the timer is reset. If the time expires without the sensor being repositioned, a caregiver is prompted to reposition the sensor.
1. A method for notifying an operator to reposition a sensor, comprising the acts of: starting a timer based upon an output of a photodetector of the sensor that is indicative of the sensor being affixed to a patient, wherein the timer is set to run for a time interval;resetting the timer if the out
1. A method for notifying an operator to reposition a sensor, comprising the acts of: starting a timer based upon an output of a photodetector of the sensor that is indicative of the sensor being affixed to a patient, wherein the timer is set to run for a time interval;resetting the timer if the output of the photodetector is indicative of the sensor being removed from the patient and reaffixed to the patient prior to the expiration of the time interval; andprompting a caregiver to reposition the sensor at the expiration of the time interval. 2. The method of claim 1, wherein the timer is started or reset based on one or more proportional changes in the output of the photodetector that indicate the sensor has been applied or reapplied to the patient. 3. The method of claim 1, wherein the timer is started or reset based on one or more changes in the output of the photodetector within a given unit of time that indicate the sensor has been applied or reapplied to the patient. 4. The method of claim 1, wherein the timer is started or reset based on a sensor ON/OFF indication generated by a monitor in response to the output of the photodetector. 5. The method of claim 1, wherein the timer is started or reset based on one or more comparisons of the output of the photodetector with a threshold value, wherein values of the output on one side of the threshold indicate that the sensor is not applied to the patient and values of the output on the other side of the threshold indicate that the sensor is applied to the patient. 6. The method of claim 1, wherein the timer is started or reset based on a determination by one or more data evaluation routines that the output of the photodetector corresponds to valid data. 7. The method of claim 1, wherein prompting the caregiver comprises modifying a visual indicator of a physiological parameter. 8. The method of claim 7, wherein modifying the visual indicator comprises at least one of alternating a display of the parameter with non-numeric symbols, employing a different font, employing a different font size, or employing an emphasis technique. 9. The method of claim 1, wherein prompting the caregiver comprises modifying an audible indicator of a physiological parameter. 10. The method of claim 9, wherein modifying the audible indicator comprises at least one of changing the tone of an audible indicator, turning the audible indicator off, periodically skipping the audible indicator. 11. The method of claim 9, wherein the audible indicator is a beep tone. 12. The method of claim 1, wherein prompting the caregiver comprises providing at least an audible prompt. 13. The method of claim 12, wherein the audible prompt comprises an audible alarm or a verbal message. 14. The method of claim 1, wherein prompting the caregiver comprises not displaying at least one physiological parameter derived from data acquired by the sensor. 15. One or more tangible machine-readable media comprising: code adapted to start a timer based upon an output of a photodetector of a sensor that is indicative of the sensor being affixed to a patient, wherein the timer is set to run for a time interval;code adapted to reset the timer if the output of the photodetector indicates that the sensor was removed and reaffixed to the patient prior to the expiration of the time interval; andcode adapted to prompt a caregiver to reposition the sensor at the expiration of the time interval. 16. The one or more tangible machine-readable media of claim 15, wherein the code adapted to start or reset the timer starts or resets the timer based on one or more proportional changes in the output of the photodetector that indicate the sensor has been applied or reapplied to the patient. 17. The one or more tangible machine-readable media of claim 15, wherein the code adapted to start or reset the timer starts or resets the timer based on one or more changes in the output of the photodetector within a given unit of time that indicate the sensor has been applied or reapplied to the patient. 18. The one or more tangible machine-readable media of claim 15, wherein the code adapted to start or reset the timer starts or resets the timer based on a sensor ON/OFF indication generated by a monitor in response to the output of the photodetector. 19. The one or more tangible machine-readable media of claim 15, wherein the code adapted to prompt the caregiver provides at least a visual prompt. 20. The one or more tangible machine-readable media of claim 19, wherein the visual prompt comprises a blinking light, an alphanumeric message, or a color code. 21. The one or more tangible machine-readable media of claim 15, wherein the code adapted to prompt the caregiver modifies a visual indicator of a physiological parameter. 22. The one or more tangible machine-readable media of claim 21, wherein modifying the visual indicator comprises at least one of alternating a display of the parameter with non-numeric symbols, employing a different font, employing a different font size, or employing an emphasis technique. 23. The one or more tangible machine-readable media of claim 15, wherein the code adapted to prompt the caregiver modifies an audible indicator of a physiological parameter. 24. The one or more tangible machine-readable media of claim 23, wherein modifying the audible indicator comprises at least one of changing the tone of an audible indicator, turning the audible indicator off, periodically skipping the audible indicator. 25. The one or more tangible machine-readable media of claim 23, wherein audible indicator is a beep tone. 26. The one or more tangible machine-readable media of claim 15, wherein the code adapted to prompt the caregiver provides at least an audible prompt. 27. The one or more tangible machine-readable media of claim 26, wherein the audible prompt comprises an audible alarm or a verbal message. 28. The one or more tangible machine-readable media of claim 15, wherein the code adapted to prompt the caregiver does not display at least one physiological parameter derived from data acquired by the sensor. 29. A method of using a sensor, the method comprising the acts of: starting a timer upon a sensor being affixed to the skin of a patient, wherein the timer is set to run for a time interval;determining whether the sensor is repositioned based upon a change in the amount of light detected by a photodetector of the sensor;resetting the timer if the sensor is repositioned prior to the expiration of the time interval; andprompting a caregiver to reposition the sensor at the expiration of the time interval. 30. The method of claim 29, wherein starting the timer comprises starting the timer based upon an initial change in the amount of light detected by the photodetector. 31. The method of claim 29, wherein determining whether the sensor is repositioned comprises one or more of assessing the proportion of the change in the amount of light, assessing the time interval over which the change occurs, or comparing the amount of light detected after the change to a threshold value. 32. The method of claim 29, wherein prompting the caregiver comprises modifying a visual indicator of a physiological parameter. 33. The method of claim 29, wherein prompting the caregiver comprises modifying an audible indicator of a physiological parameter. 34. The method of claim 29, wherein prompting the caregiver comprises not displaying at least one physiological parameter derived from data acquired by the sensor. 35. A method of using a sensor, the method comprising the acts of: starting a timer upon a sensor being affixed to a patient;determining whether the sensor is repositioned based upon one or more comparisons of the amount of light detected by a photodetector of the sensor to a threshold value, wherein the amount of light detected crossing and recrossing the threshold is indicative of the sensor being repositioned;resetting the timer if the sensor is repositioned prior to the timer reaching a time limit; andprompting a caregiver to reposition the sensor if the timer reaches the time limit. 36. The method of claim 35, wherein starting the timer comprises starting the timer based on the amount of light detected by the photodetector crossing the threshold value. 37. The method of claim 35, wherein the threshold comprises an absolute light threshold. 38. The method of claim 35, wherein prompting the caregiver comprises modifying a visual indicator of a physiological parameter. 39. The method of claim 35, wherein prompting the caregiver comprises modifying an audible indicator of a physiological parameter. 40. The method of claim 35, wherein prompting the caregiver comprises not displaying at least one physiological parameter derived from data acquired by the sensor. 41. A method of using a sensor, the method comprising the acts of: starting a timer upon a sensor being affixed to a patient;determining whether the sensor is repositioned based upon an algorithm executed on a monitor in communication with the sensor, wherein the algorithm indicates whether the sensor is currently on or off;resetting the timer if the sensor is repositioned prior to the timer reaching a time limit; andprompting a caregiver to reposition the sensor if the timer reaches the time limit. 42. The method of claim 41, wherein starting the timer comprises starting the timer based on an indication generated by the algorithm that the sensor is on. 43. The method of claim 41, wherein the algorithm employs one or more of neural networks or input metrics to determine the on or off state of the sensor. 44. The method of claim 41, wherein prompting the caregiver comprises modifying a visual indicator of a physiological parameter. 45. The method of claim 41, wherein prompting the caregiver comprises modifying an audible indicator of a physiological parameter. 46. The method of claim 41, wherein prompting the caregiver comprises not displaying at least one physiological parameter derived from data acquired by the sensor. 47. One or more tangible machine-readable media comprising: code adapted to start a timer upon application of a sensor to a patient;code adapted to determine whether the sensor is repositioned based upon a change in the amount of light detected by a photodetector of the sensor;code adapted to reset the timer if the sensor is repositioned prior to the timer reaching a time limit; andcode adapted to prompt a caregiver to reposition the sensor if the timer reaches the time limit. 48. The one or more tangible machine-readable media of claim 47, wherein the code adapted to start the timer starts the timer based upon an initial change in the amount of light detected by the photodetector. 49. The one or more tangible machine-readable media of claim 47, wherein the code adapted to determine whether the sensor is repositioned performs one or more of assessing the proportion of the change in the amount of light, assessing the time interval over which the change occurs, or comparing the amount of light detected after the change to a threshold value. 50. The one or more tangible machine-readable media of claim 47, wherein the code adapted to determine whether the sensor is repositioned comprises an algorithm embodied on the tangible machine readable media and executable by a patient monitor, wherein the algorithm, when executed, indicates whether the sensor is currently on or off. 51. The one or more tangible machine-readable media of claim 47, wherein the code adapted to prompt the caregiver modifies a visual indicator of a physiological parameter. 52. The one or more tangible machine-readable media of claim 47, wherein the code adapted to prompt the caregiver modifies an audible indicator of a physiological parameter.
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