Hemoglobin measurement device

G - Physics – 01 – N

Patent

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Details

G01N 21/31 (2006.01) A61B 5/00 (2006.01) G01N 21/05 (2006.01)

Patent

CA 2272624

The invention relates to a diagnostic medical device and in particular to a hemoglobin measurement device for measuring hemoglobin content in a blood sample. A hemoglobin sample is prepared from a blood sample by mixing a portion of the blood sample with a diluent and lyse appropriate to release hemoglobin from red blood cells in the blood sample. The sample is then provided to a hemoglobin measurement device (10) where a hemoglobin measurement is made. The device has a chamber (110) with a light source (116) and light detector (118) located at opposite ends and operable at wavelengths that are absorbed or reflected by the hemoglobin. The chamber also includes hemoglobin sample inlet (112) and outlet (114) ports which extend through the body into the measurement chamber.

L'invention concerne un dispositif de diagnostic et, en particulier, un dispositif permettant de mesurer la concentration d'hémoglobine dans un échantillon sanguin. On prépare un échantillon d'hémoglobine à partir d'un échantillon sanguin, en mélangeant une partie de l'échantillon sanguin avec un diluant et en les lysant de manière appropriée, de façon à libérer l'hémoglobine des globules rouges dans l'échantillon sanguin. L'échantillon est ensuite acheminé vers un dispositif (10) de mesure de l'hémoglobine qui mesure la concentration d'hémoglobine. Le dispositif comprend une chambre (110) avec une source (116) de lumière et un détecteur (118) de lumière situé aux extrémités opposées et fonctionnant à des longueurs d'onde absorbées ou réfléchies par l'hémoglobine. La chambre comprend également des orifices d'entrée (112) et de sortie (114) de l'échantillon d'hémoglobine s'étendant à travers le corps dans la chambre de mesure.

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