Apparatus for analyzing substantially undiluted samples of...

G - Physics – 01 – N

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G01N 33/48 (2006.01) G01N 15/05 (2006.01) G01N 15/14 (2006.01) G01N 33/50 (2006.01) G01N 15/00 (2006.01)

Patent

CA 2321684

An apparatus for analyzing a sample of biologic fluid quiescently residing within a chamber (20) is provided. The apparatus includes a field illuminator (40), a positioner (86), a mechanism for determining the volume of a sample field, and an image dissector (42). The field illuminator (40) is operable to illuminate a sample field of known, or ascertainable, area. The positioner (86) is operable to selectively change the position of one of the chamber (20) or the field illuminator (40) relative to the other, thereby permitting selective illumination of all regions of the sample. The mechanism for determining the volume of a sample field can determine the volume of a sample field illuminated by a light source. The image dissector (42) is operable to convert an image of light passing through or emanating from the sample field into an electronic data format.

La présente invention concerne un appareil servant à analyser un échantillon de fluide anatomique mis à reposer dans une chambre (20). L'appareil comporte un illuminateur de champ (40), un positionneur (86), un estimateur de volume du champ d'échantillon, et un dissecteur d'image (42). L'illuminateur de champ (40) sert à éclairer un champ d'échantillon d'une superficie connue ou vérifiable. Le positionneur (86) sert à modifier de façon sélective la position de la chambre (20) ou de l'illuminateur de champ (40) l'un par rapport à l'autre, ce qui permet d'éclairer de façon sélective toutes les régions de l'échantillon. L'estimateur de volume du champ permet de déterminer le volume d'un champ de l'échantillon éclairé par la source de lumière. Le dissecteur d'image (42) sert à numériser en format électronique l'image de la lumière traversant le champ d'échantillon ou en émanant.

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