Valves enabling a liquid to be directed in a diagnostic...

B - Operations – Transporting – 01 – L

Patent

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Details

B01L 3/00 (2006.01) B01J 19/00 (2006.01) F15C 5/00 (2006.01) F16K 7/12 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2376784

The invention relates to a valve (2) through which at least one channel (3) flows, enabling at least one liquid (F5) to be directed and moved by transfer means within a diagnostic chart (1). Said chart (1) comprises at least two surfaces (4, 5) which are joined (4) to each other (5) by means of an edge (6). The invention also relates to a chart fitted with said device,enabling several charts fitted with said valves to be used together. The inventive valve is made of a film (7) which is flexible and/or can be deformed, and partially fixed on at least one of the surfaces (4 and/or 5) of said card, in addition to a means for compressing said film (7) which can be de-activated. Fixing occurs on at least one of the surfaces (4 and/or 5) planar for example by means of a fixing device which is located on the peripheral indent (9) of said valve (2) - a groove (9) for instance. Preferably, the invention can be used in the field of diagnostics.

La présente invention concerne une vanne (2), traversée par au moins un canal (3), permettant de diriger au moins un fluide (F5) mû par des moyens de transfert au sein d'une carte d'analyse (1), la carte (1) comportant deux faces (4 et 5) reliées l'une (4) à l'autre (5) par un bord (6). Elle concerne également une carte équipée d'un dispositif permettant de mettre en oeuvre plusieurs cartes équipées de telles vannes. Elle est constituée d'une part d'un film (7), flexible et/ou qui peut être déformé, fixé en partie sur au moins l'une des faces (4 et/ou 5) de ladite carte (1), et d'autre part d'un moyen de compression du film (7), moyen qui peut être désactivé. De plus, la fixation est réalisée au niveau d'au moins l'une des faces (4 et/ou 5), par exemple plane, par l'intermédiaire d'une fixation située au niveau d'un renfoncement périphérique (9) à la vanne (2), tel qu'une rainure (9). L'invention trouve une application préférentielle dans le domaine du diagnostic.

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