Blood cell count/immunoassay apparatus using whole blood

Details Blood cell count/immunoassay apparatus using whole blood Blood cell count/immunoassay apparatus using whole blood

1998-09-25

2000-08-22

Chin, Christopher L.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

422 55, 422 58, 422 63, 422 67, 422 681, 422 73, 422 8205, 422 81, 422 99, 422102, 422103, 422105, 422108, 422119, 422187, 422188, 422189, 422190, 422192, 422193, 422224, 422225, 422236, 436 43, 436 63, 436164, 436174, 436175, 436179, 436180, 436518, 436522, 436523, 436805, G01N 2520, G01N 2120, G01N 3348, G05B 100, B01J 1908

Patent

active

061067784

ABSTRACT:
A compact combination blood cell count and immunoassay apparatus for measuring drawn whole blood specimen includes a load station for receiving the whole blood specimen and a nozzle member that can selectively withdraw whole blood from the blood specimen. A blood cell count section and an immunoassay section are mounted along a unitary path of movement of the nozzle member so that a single nozzle member may be used for transporting the whole blood to the respective blood cell count section and immunoassay section. A controller can automatically direct a transport mechanism to use only the whole blood and to perform various steps of adding dilution liquid and reagents, along with appropriate washing of the nozzle and sample cells to insure an automatic operation. A hematozorit value can be determined from the blood cell count signal and used to correct the immunoassay signal when whole blood is used.

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