Methods and systems for observing sensor parameters

Details Methods and systems for observing sensor parameters Methods and systems for observing sensor parameters

A - Human Necessities

61

B

A61B 5/00 (2006.01)

Patent

CA 2747830

The invention disclosed herein provides methods and materials for observing the state of a sensor, for example those used by diabetic patients to monitor blood glucose levels. Typically a voltage such as a voltage pulse is applied to the sensor in order to solicit a current response from which for example, factors such as impedance values can be derived. Such values can then be used as indicators of a sensor's state, for example the state of sensor hydration, sensor noise, sensor offset, sensor drift or the like.

Linvention concerne des procédés et des matériels pour observer létat dun capteur, par exemple les capteurs utilisés par des patients diabétiques pour surveiller leur glycémie. Une tension, telle quune impulsion de tension, est appliquée au capteur pour obtenir une réponse de courant à partir de laquelle, par exemple, des facteurs tels que limpédance peuvent être dérivés. Ces valeurs peuvent ensuite être utilisées comme indicateur de létat dun capteur, par exemple pour létat dhydratation dun capteur, de bruit de fond dun capteur, de déviation dun capteur, de dérive un capteur ou équivalents.

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