Sample wash station assembly

G - Physics – 01 – N

Patent

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Details

G01N 1/14 (2006.01) B01J 19/00 (2006.01) G01N 1/38 (2006.01) G01N 35/10 (2006.01)

Patent

CA 2333708

A wash station assembly (10) and method for washing selected samples in a sample containing assembly (12). The wash station assembly (10) includes a wash station having a frame (11) and a fluid dispensing assembly (14) connected to the frame (11). The fluid dispensing assembly (14) has a selector valve (46) that is connectable to a plurality of fluid lines (18). And array of syringes (42) is coupled to the selector valve (46). Each syringe includes a check valve that prevents backflow of fluid or air into the syringe through the pipetting needles (32). A distribution manifold is connected to the selector valve (46) and has a plurality of channels which couple to the syringes (42). Each distribution channel has a manifold valve therein that prevents backflow of fluid into the manifold from the syringes (42). A waste management system (24) is connected to the wash station (10) to automatically separate halogenated waste fluids from non-halogenated waste fluids.

Ensemble (10) station de lavage et procédé de lavage d'échantillons sélectionnés dans un ensemble (12) contenant des échantillons. L'ensemble (10) station de lavage possède une station de lavage dotée d'un châssis (11) et un ensemble distributeur (14) de fluide connecté au châssis (11). L'ensemble distributeur (14) de fluide possède une vanne de sélection (46) pouvant être connectée à une pluralité de conduites (18) de fluide. Un groupe de seringues (42) est couplé à la vanne de sélection (46). Chaque seringue comporte un clapet anti-retour qui empêche le retour de fluide ou d'air dans la seringue par les aiguilles (32) de pipettage. Un collecteur de distribution est connecté à la vanne de sélection (46) et possède une pluralité de canaux couplés aux seringues (42). Chaque canal de distribution possède une vanne de collecteur qui empêche le retour du fluide des seringues (42) dans le collecteur. Un système de gestion (24) de fluides usés est connecté à la station de lavage (10) pour séparer automatiquement les fluides usés halogénés des fluides usés non halogénés.

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