Apparatus for applying a controlled amount of reagent to a micro

Details Apparatus for applying a controlled amount of reagent to a micro Apparatus for applying a controlled amount of reagent to a micro

1991-04-23

1993-01-19

Nozick, Bernard

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

118 52, 118314, 427240, 427425, B05D 102

Patent

active

051806061

ABSTRACT:
Apparatus for applying a controlled amount of reagent to one or more miscroscope slide or the like includes a spray chamber and a carousel adapted to hold a plurality of slides and to be mounted for rotation in the spray chamber. Nozzles are mounted to spray reagent onto the slides in the carousel as they rotate by the nozzles. Accurate control of the time or angular rotation during which the reagent is sprayed from the nozzles is obtained by placing a control valve in the flow line between a reagent pump and the nozzle and operating the valve to control flow of reagent. Control circuitry determines the position of the slides and carousel in the spray chamber and coordinates operation of the pumps, valves, and rotation of the carousel to accurately cause spray of reagent onto the slides. The slide holding carousel may be replaced by an interchangable centrifuge rotor when it is desired to perform cytocentrifuging tests.

REFERENCES:
patent: 2848353 (1958-08-01), Norris
patent: 4004550 (1977-01-01), White et al.
patent: 4084615 (1978-04-01), Klein et al.
patent: 4089989 (1978-05-01), White et al.
patent: 5009185 (1991-04-01), Stokes et al.
SIGMA Brochure describing Sigma 4-10 and Sigma 4K10 centrifuge equipment by B. Braun Diessel Biotech GmbH, Melsungen, Germany.

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