Cartridge for containing a specimen sample for optical analysis

Details Cartridge for containing a specimen sample for optical analysis Cartridge for containing a specimen sample for optical analysis

G - Physics

01

N

G01N 21/00 (2006.01) B01L 3/00 (2006.01) G01N 1/00 (2006.01) G01N 21/03 (2006.01) G01N 21/11 (2006.01) G02B 21/34 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2434604

A cartridge (21) for holding a test specimen with an extremely small volume. The cartridge has a test chamber (63) and a vestibule (66) through which the test fluids are inserted into the test chamber. The cartridge has a stopper (60) having a pair of seals (72, 74), the first of which seals the test chamber inlet (65) between the vestibule and the test chamber, and the second of which seals the mouth (67) of the vestibule so that when the stopper is in place, the test chamber is closed to the admission of air other contaminants and the vestibule is similarly closed against escape of the overflow from the test chamber.

L'invention concerne une cartouche (21) destinée à contenir un échantillon dans un volume extrêmement faible. La cartouche comporte une chambre d'analyse (63) et un vestibule (66) par lequel les liquides à analyser sont introduits dans la chambre d'analyse. La cartouche comprend un bouchon (60) doté d'une paire de joints d'étanchéité (72, 74) dont le premier rend hermétique l'entrée (65) de la chambre d'analyse, et le second l'orifice (67) du vestibule de façon que lorsque le bouchon est en place, la chambre d'analyse soit isolée de l'air extérieur et de tous autres contaminants, le vestibule étant lui aussi fermé empêchant tout écoulement provenant de la chambre d'analyse.

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