Automatic blood film preparation device

G - Physics – 01 – N

Patent

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Details

G01N 1/28 (2006.01) G01N 33/49 (2006.01) G02B 21/34 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2220049

An automatic device prepares blood films or smears on microscope slides (1). The device has essentially one moving part, namely a carriage (6) which holds the slide, and which is movable back and forth along a frame (20). The slide (1) is dispensed from a magazine (2), onto the carriage (6), and the carriage (6) moves to a position where a drop of blood is conveniently placed onto the slide (1). The carriage (6) then moves to a position permitting contact between the blood and a spreading blade mounted on a flexible member (5). The carriage (6) is moved in a forward direction, causing the blade to move relative to the slide (1), creating the blood smear. The device includes a bar code reader (4) and printer (3), making it possible to read a bar code located on a specimen container, and to print indicia onto the slide (1), which may correspond to the coded information.

Ce dispositif automatique prépare des frottis sanguins sur des lames (1), et il présente essentiellement une partie mobile, à savoir un chariot (6), lequel porte la lame et est mobile d'avant en arrière et d'arrière en avant, le long d'un cadre (20). La lame (1) est distribuée à partir d'un magasin (2) et placée sur le chariot (6), lequel se déplace ensuite pour se mettre dans une position dans laquelle une goutte de sang est déposée de manière appropriée sur la lame (1). Le chariot (6) se meut ensuite vers une position permettant le contact entre le sang et une spatule d'étalement du sang, montée sur un élément (5) flexible. Puis le chariot (6) s'avance, provoquant le déplacement de la spatule par rapport à la lame (1), créant ainsi le frottis sanguin. Ce dispositif comprend un lecteur (4) de code à barres, ainsi qu'une imprimante (3), rendant ainsi possible la lecture d'un code à barres placé sur un contenant d'échantillon, et l'impression d'indications sur la lame (1), lesquelles peuvent correspondre aux informations codées.

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