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Hematology control product with increased closed vial stability

  • US 6,569,682 B2
  • Filed: 07/27/2001
  • Issued: 05/27/2003
  • Est. Priority Date: 07/27/2001
  • Status: Expired due to Term
First Claim
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1. A hematology control product comprising a closed vial of a lyseable red blood cell component and a xanthine compound in an isotonic suspension medium, wherein said xanthine compound is in an amount sufficient to provide a shelf life of greater than 60 days of the hematology control product and wherein said lyseable red blood cell component is present in an amount sufficient to be measurable with an automated hematology instrument and wherein said hematology control product has an reported mean cell volume which corresponds substantially with the mean cell volume of human whole blood.

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