Blood cell count/immunoassay apparatus using whole blood

  • US 6,106,778 A
  • Filed: 09/25/1998
  • Issued: 08/22/2000
  • Est. Priority Date: 09/27/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A combination blood cell count and an immunoassay apparatus can measure a drawn whole blood specimen positioned at a load station, comprisinga nozzle member for releaseably holding a portion of the whole blood withdrawn from the load station;

  • means for adding a dilution liquid;

    means for adding reagents;

    a blood cell count section for providing signals on blood cells;

    an immunoassay section for providing signals on immunoassay;

    a transport mechanism for moving the nozzle member to the blood cell count section and the immunoassay section;

    a controller for directing the transport mechanism to transport the nozzle member to the blood cell count section and immunoassay section and to mix reagents with the whole blood for the immunoassay section and to dilute the whole blood with the dilution liquid for the blood cell count section; and

    means for determining a hematocrit from a blood cell count signal and correcting the immunoassay signal with the hematocrit.

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