Systems and methods for extending the useful life of optical...

Details Systems and methods for extending the useful life of optical... Systems and methods for extending the useful life of optical...

G - Physics

01

N

G01N 21/64 (2006.01) A61B 5/00 (2006.01)

Patent

CA 2564572

The present invention provides a method for increasing the lifetime of an optical sensor. In one aspect, the method includes the step of configuring the optical sensor so that the duty cycle of sensor's radiant source is less than 100% over a continuous period amount of time when the sensor is periodically obtaining data regarding an analyte. By operating the sensor according to the above inventive method, the indicator molecules of the optical sensor are not excited during the entire continuous period of time during which the sensor is needed to provide data regarding the presence or concentration of a substance. Thus, the method increases the life of the indicator molecules.

L'invention concerne un procédé permettant de prolonger la durée de vie d'un capteur optique. Dans un mode de réalisation, le procédé comprend l'étape consistant à configurer le capteur optique de manière que le cycle opératoire de la source de rayonnement du capteur soit inférieure à 100 % pendant une durée continue pendant laquelle le capteur obtient de manière périodique des données relatives à un analyte. Dans la mise en oeuvre du capteur selon le procédé, les molécules indicatrices du capteur optique ne sont pas excitées pendant l'ensemble de la durée continue pendant laquelle le capteur doit fournir des données relatives à la présence ou la concentration d'une substance. Le procédé permet, par conséquent, de prolonger la durée de vie des molécules indicatrices.

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