Flow cytometry-based hematology system

G - Physics – 01 – N

Patent

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Details

G01N 33/48 (2006.01) G01J 3/30 (2006.01) G01N 1/10 (2006.01) G01N 15/02 (2006.01) G01N 15/14 (2006.01) G01N 21/03 (2006.01) G01N 21/05 (2006.01) G01N 21/25 (2006.01) G01N 21/53 (2006.01) G01N 21/59 (2006.01)

Patent

CA 2410894

The system of the present invention is a flow cytometer that includes a lensless optical system for controlling the path of light emitted from a laser light source (30). The laser light source is a standard diode laser light source that emits a thin beam. The shape of the laser light beam is well- suited for the detection of scattered light. Furthermore, the reliability of the system is further enhanced by the use of a photodetector array (48) that does not include any moving parts. The photodetector array is such that the scattered light is detectable, and this data collected provides a complete hematological analysis. Finally, the system uses a unique system of consumable reagent tubes (60) that act as reaction chamber, mixing chambers, and waste chambers for the blood sample analyses.

Le système décrit dans cette invention est un cytomètre de flux qui comprend un système optique sans lentille permettant de réguler un trajet lumineux émis par une source (30) lumineuse laser. La source lumineuse laser est une source de lumière à diode laser conventionnelle qui émet un faisceau mince. La forme du faisceau lumineux laser est bien adaptée à la détection de lumière diffusée. La fiabilité du système est en outre renforcée par l'utilisation d'un réseau (48) de photodétecteurs ne comprenant aucun élément mobile. Ce réseau de photodétecteurs est conçu de manière à permettre la détection de la lumière diffusée, et les données ainsi collectées fournissent une analyse hématologique complète. Enfin ce système fait appel à un système unique de tubes (60) de réactifs jetables qui servent de chambre de réaction, de chambre de mélange et de chambre d'élimination pour les analyses d'échantillons de sang.

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