Method and apparatus for clinical analysis

Details Method and apparatus for clinical analysis Method and apparatus for clinical analysis

1983-03-10

1987-11-24

Marcus, Michael S.

Chemistry: analytical and immunological testing

Automated chemical analysis

Utilizing a centrifuge or compartmented rotor

422 72, 422100, G01N 2107, G01N 2111, G01N 3700

Patent

active

047089407

ABSTRACT:
A clinical analyzer with an analyzing section having a reaction tube and photometer, and a sampling section having a sample transfer pipe and centrifugal separator which also serves as a sampler. Sample containers containing blood are set on a plurality of container holders through an aperture formed in the cover of the centrifugal separator. A rotor with the container holders mounted thereon is rotated at a low speed intermittently so that each of the container holders is positioned at the container setting position in a predetermined order in which a container holder which is not located adjacently to the previously positioned container holder is positioned next.
Subsequently, the rotor is rotated at a high speed for a predetermined period so that the sample liquid in each sample container centrifugally separated. After the centrifugal separation, the rotor is rotated at a low speed intermittently so that the sample containers set on the container holders are positioned to the sample take-out position in the same order as in setting the sample containers. A pipe is inserted through a sample transfer hole formed in the cover of the centrifugal separator into the sample container, and the sample liquid is pumped up and transported to the analyzing section. This series of operations is repeated and a plurality of samples are measured for items of analysis by the photometer sequentially.

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