Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1987-03-02
1989-03-14
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422100, 422102, 436 45, 494 19, G01N 2100, B04B 100
Patent
active
048122947
ABSTRACT:
A specimen preparation unit having a plurality of interconnected compartments is automatically loaded onto a centrifuge rotor arm at a first rotor position. Each rotor arm has two indexing means for independently rotating the unit about either or both of two axes orthogonal to each other and to the rotor arm. The orientation of the unit with respect to the centrifugal force vector is changed in a predetermined manner so as to cause fluid flow between desired compartments even under conditions of microgravity. The unit is centrifuged in at least two different orientations with respect to the centrifugal force vector. As the fluids move between compartments, the specimen is prepared. After the multistep preparation process is completed, the unit is rotated to another rotor position at which the prepared specimen and/or the entire unit is removed. The centrifugal processing unit is capable of processing a plurality of specimen preparation unit in the same or a different manner. A plurality of the compartments of the specimen preparation unit are connected by force-sensitive valves which prevent reflux and which respond only to forces substantially exceeding gravity. The specimen preparation unit may provide for parallel processing of specimen aliquots.
REFERENCES:
patent: 3850368 (1974-11-01), Boeckeler
patent: 3882716 (1975-05-01), Beiman
patent: 4104831 (1978-08-01), Kobayashi
patent: 4296882 (1981-10-01), Kobayashi
patent: 4632908 (1986-12-01), Schultz
Automated Diagnostic Systems, Inc.
Cooper Iver P.
Marcus Michael S.
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