System and method for analysing a sample liquid

Details System and method for analysing a sample liquid System and method for analysing a sample liquid

G - Physics

01

N

G01N 33/66 (2006.01) A61B 5/151 (2006.01) G01N 21/78 (2006.01) G01N 35/02 (2006.01)

Patent

CA 2567675

The invention concerns a system for analysing a sample liquid comprising a test tape (12) having a plurality of test elements (14), a tape transport device (16) which successively transports the test elements (14) to a sample application site (34) while advancing the tape and a measuring device (18) which scans the test elements (14) loaded with sample liquid at a measuring site (36) wherein the measuring site (36) is located at a distance from the sample application site (34) in the direction of tape movement. According to the invention it is proposed that the tape transport be interrupted in order to exactly position a wetting area (42) of the test elements (14) carrying a sample liquid at the measuring site (36) by means of a positioning device (20) that responds to the presence of sample liquid on the test element (14).

L'invention concerne un système pour l'analyse d'un échantillon liquide. Le système comporte une bande d'essai (12) constituée de nombreux éléments d'essai (14), d'un dispositif de transport de bande (16) qui achemine les éléments d'essai (14) à un site d'application d'échantillon (34) tout en faisant avancer la bande, et d'un dispositif de mesure (18) qui balaie les éléments d'essai (14) chargés d'échantillon liquide à un site de mesure (36). Ce site de mesure (36) est situé à une distance déterminée du site d'application d'échantillons (34), dans la direction du mouvement de la bande. Selon l'invention, il est proposé que le transport de la bande soit interrompu afin de positionner de manière exacte une aire de mouillage (42) pour les éléments d'essai (14) portant un échantillon liquide au site de mesure (36), au moyen d'un dispositif de positionnement (20) qui répond à la présence de l'échantillon liquide sur l'élément d'essai (14).

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