Optics: measuring and testing – Blood analysis
Patent
1979-11-19
1981-03-31
Punter, Wm. H.
Optics: measuring and testing
Blood analysis
33 25B, 33125R, 33143B, 346 33ME, G01N 3348, G01D 900, B43L 1312
Patent
active
042590124
ABSTRACT:
An apparatus for determining hematocrit, white cell and differential white cell and platelet counts in a centrifuged sample of blood contained in a transparent tube, preferably of capillary size. The apparatus is manually operated and utilizes a card which is appropriately calibrated on which the various blood cell counts are recorded.
REFERENCES:
patent: 2104525 (1938-01-01), Proskouriakoff
patent: 2831252 (1958-04-01), Weichselbaum
patent: 2906025 (1959-09-01), Drummond et al.
patent: 4027660 (1977-06-01), Wardlaw et al.
Jones William W.
Punter Wm. H.
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