Test element for analysing bodily fluids

G - Physics – 01 – N

Patent

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Details

G01N 27/327 (2006.01) A61B 5/145 (2006.01) B01L 3/00 (2006.01)

Patent

CA 2598586

The invention relates to an analytical test element (1) for identifying an analyte in a bodily fluid, said element having an identification region (14), in which the analyte is identified and an application site (3), at which the bodily fluid is applied to the test element (1), said identification region (14) being situated at a distance from the application site (3). According to the invention, at least some of the bodily fluid that is poured onto the application site (3) flows from said site (3) and reaches the identification region (14). The test element also contains a contamination region, which at least partially adjoins the application site and to at least part of which an adhesive substance, preferably polyvinyl acetate, is applied. The adhesive substance adheres to the contamination region of the test element and can interact with any excess bodily fluid that has been applied to the test element in such a way that the bodily fluid at least partially adheres to said element, thus retaining excess bodily fluid in the contamination region. The invention relates in particular to test elements, which after use are stored in a storage container. In addition, the invention relates to the production of test elements of this type.

L'invention concerne un élément d'essai analytique (1) pour déterminer un analyte dans un liquide corporel, cet élément comportant une zone de détection (14), où l'analyte est mis en évidence, et un emplacement d'application (3), sur lequel est appliqué le liquide corporel sur l'élément d'essai (1), la zone de détection (14) étant séparée de l'emplacement d'application (3). Un liquide corporel appliqué sur l'emplacement d'application (3) passe au moins partiellement de l'emplacement d'application (3) à la zone de détection (14). L'élément d'essai comporte en outre une zone de contamination qui est au moins partiellement adjacente à l'emplacement d'application, sur cette zone de contamination de l'élément d'essai étant appliquée au moins partiellement une substance adhésive, de préférence du polyacétate de vinyle. La substance adhésive adhère à la zone de contamination de l'élément d'essai et elle peut interagir avec un liquide corporel appliqué en excédent sur l'élément d'essai, de telle sorte que le liquide corporel adhère au moins partiellement à l'élément d'essai, le liquide corporel appliqué en excédent restant ainsi sur la zone de contamination. L'invention concerne en particulier des éléments d'essai stockés dans un réservoir après utilisation. La présente invention porte également sur la fabrication d'éléments d'essai de ce type.

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