Sample handling for chemistry analyzers

Details Sample handling for chemistry analyzers Sample handling for chemistry analyzers

1992-04-02

1993-04-20

Johnston, Jill A.

Chemistry: analytical and immunological testing

Automated chemical analysis

With conveyance of sample along a test line in a container...

7386421, 7386424, 422 64, 422100, G01N 3506

Patent

active

052042693

ABSTRACT:
An automatic chemistry analyzer comprises discrete sample cups about the circumference of a carousel. A motor selectively moves the sample cups towards and away from a target location where a probe is located for reciprocal vertical motion. The motion is timed for reaction with a sample cup so that when the sample cup is in position at the target location, the probe removes fluid from the sample cup. When the sample cup is moved from position, the probe aspirates fluid into an injection cell below the sample cup. A vertical motion only is imparted to the probe, while the sample cups move under the action of a single motor horizontally and laterally to define a rotational movement.

REFERENCES:
patent: 4202747 (1980-05-01), Buzza
patent: 4429584 (1984-02-01), Beyer et al.
patent: 4434672 (1984-03-01), Williamson et al.
patent: 4670219 (1987-06-01), Nelson et al.
patent: 4675301 (1987-06-01), Charneski et al.
patent: 4713974 (1987-12-01), Stone
patent: 4836038 (1989-06-01), Baldwyn
patent: 4869114 (1989-09-01), Kido et al.
IBM Technical Disclosure Bulletin dated Nov. 1983, vol. 26, No. 6.

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