Device for delivering defined volumes

Details Device for delivering defined volumes Device for delivering defined volumes

G - Physics

01

N

G01N 1/14 (2006.01) B01L 99/00 (2010.01) B01J 19/00 (2006.01) B01L 3/00 (2006.01) G01N 35/10 (2006.01) G01N 1/00 (2006.01)

Patent

CA 2321495

A liquid dispensing device (90A) for delivering defined volumes comprising (a) a reagent fill channel (12), (b) one or more metering capillaries (14A-14C) connected to the reagent fill channel (12) and having an exit, and (c) one or more sources of gas (41) connected to the reagent fill channel (12), wherein after filling the one or more metering capillaries (14A-14C) the reagent fill channel (12) can be drained of liquid while liquid is retained in the one or more metering capillaries (14A-14C), and the source of gas (41) can be operated to eject the liquid in the metering capillaries (14A-14C).

L'invention concerne un dispositif (90A) de distribution de liquides destiné à distribuer des volumes définis, le dispositif comprenant: (a) un canal de remplissage de réactif (12); (b) un ou plusieurs tubes capillaires de mesure (14A-14C) reliés au canal de remplissage de réactif (12) et dotés d'une sortie; et (c) une ou plusieurs sources de gaz (41) connectées au canal de remplissage de réactif (12); après le remplissage du ou des tubes capillaires de mesure (14A-14C), on peut vider le liquide contenu dans le canal de remplissage de réactif (12) alors qu'on garde du liquide dans le ou les tubes capillaires de mesure (14A-14C), la source de gaz (41) pouvant être actionnée pour évacuer le liquide contenu dans les tubes capillaires de mesure (14A-14C).

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