Twin-probe blood sample diluting device

Details Twin-probe blood sample diluting device Twin-probe blood sample diluting device

1994-11-21

1996-04-30

Warden, Jill

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422102, 436180, 128749, 128760, 7386412, G01N 114

Patent

active

055122485

ABSTRACT:
A blood diluting device that can be used in an automatic hematology cell counter, including an outer tube, and an inner tube suspended within the outer tube. A blood sample to be analyzed is aspirated into the outer tube and then the inner tube, and then air is induced into the outer tube to expel the blood sample outside the inner tube. Thereafter, air is induced into the inner tube to isolate the blood sample inside the inner tube to keep the two blood samples from mixing, so that two diluted blood samples of different dilution ratios can be obtained one after the other.

REFERENCES:
patent: 3610226 (1971-10-01), Albisser
patent: 4108608 (1978-08-01), Maher, Jr. et al.
patent: 4399711 (1983-08-01), Klein
patent: 4528158 (1985-07-01), Gilles et al.
patent: 4817631 (1989-04-01), Schnipp-Pesch et al.
patent: 4877585 (1989-10-01), Perlman

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