Device for preserving sterility during sampling from culture med

Details Device for preserving sterility during sampling from culture med Device for preserving sterility during sampling from culture med

1987-05-21

1990-09-18

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422 81, 422102, 422103, 422104, 436 54, 436180, 13762512, 13762565, 13762567, 13762526, 251 92, 251325, 7386373, 7386383, 7386418, 7386463, G01N 110

Patent

active

049577069

ABSTRACT:
A device for preserving sterility during the taking of samples for analysis from culture medium containers. This device comprises a holder containing a sampling chamber which encloses a sliding piston fitted at one end with a toric cavity for removal of the sample for analysis, and a dilution chamber linked to the first chamber by a duct. The second chamber is divided into two parts by a central bearing and contains two sliding pistons which may abut respectively the opposite sides of the bearing. The second chamber comprises an inlet for the dilution solvent.

REFERENCES:
patent: 4585623 (1986-04-01), Chandler
patent: 4640821 (1987-02-01), Mody et al.
patent: 4649028 (1987-03-01), Kaltenbach et al.

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