In situ calibration system for sensors located in a...

G - Physics – 01 – N

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G01N 37/00 (2006.01) A61B 5/00 (2006.01) A61B 5/155 (2006.01) G01N 27/416 (2006.01) G01N 33/487 (2006.01)

Patent

CA 2211125

A method is provided for calibrating sensors (14) used to analyze characteristics of physiologic fluids such as blood. The method involves the use of a sensor assembly (12) having an analyte responsive sensor (14) in communication with a physiologic line (28) and a conduit passageway (16). The method involves exposing the sensor (14) to a reference sample, thereby producing a sensor response. The method also allows performing quality control on sensors (14). Also provided is an apparatus (10) with which the claimed method may be practiced.

L'invention concerne un procédé d'étalonnage de capteurs (14) utilisé pour analyser les caractéristiques de liquide physiologique tel que le sang. Le procédé consiste à utiliser un ensemble (12) de capteurs présentant un capteur (14) sensible à un analyte, en communication avec une canule physiologique (28), et un passage (16) pour un conduit. Le procédé consiste à exposer le capteur (14) à un échantillon de référence, produisant ainsi une réponse dudit capteur. Le procédé permet également d'effectuer un contrôle de qualité sur les capteurs (14). On a également prévu un appareil (10) permettant la mise en pratique du procédé revendiqué.

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