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Method and apparatus for determining the hematocrit of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells
Method and apparatus for determining the hematocrit of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells
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机译:利用红细胞内所含血红蛋白的固有色素沉着来确定血液样本中血细胞比容的方法和装置
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摘要
A method for determining the hematocrit of a blood sample is provided that includes the steps of 1) depositing the sample into an analysis chamber adapted to quiescently hold the sample for analysis; 2) imaging at least a portion of the quiescent sample, which sample portion contains the red blood cells and one or more lacunae to determine an optical density of the imaged portion of the sample on a per image unit basis; 3) selecting optical density values of the image units aligned with the red blood cells; 4) selecting optical density values of the image units aligned with the one or more lacunae; and 5) determining the hematocrit of the sample using the selected optical density values of the image units aligned with the red blood cells and the lacunae.
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