Sample taking device

Details Sample taking device Sample taking device

1986-03-06

1987-06-02

Levy, Stewart J.

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

G01N 110

Patent

active

046693211

ABSTRACT:
A sample taking device comprised of three parts which are axially moveable with respect to each other: the main rod (7), a taking tube (10) and the flask holder (27). Through a tube (9) arranged on the main rod (7) a sterilizing medium, for example vapor, is introduced and flows throughout the whole device and comes out through the tube (29). By the action of an axial force on the cup (31) the needle (36) traverses the plug (35); if the force is intensified, the taking tube (10) is pushed in response to the force of the pre-strained pressure spring (15) into the culture medium (2) which may then flow into the flask (32). At the end of the sample taking, the device may be rinsed and re-sterilized, without the need for adding or dismounting certain parts. The device is also appropriate for the sample taking of pathogen cultures.

REFERENCES:
patent: 2815663 (1957-12-01), Zupfer
patent: 3747411 (1973-07-01), McDermott et al.
patent: 4096754 (1978-06-01), Beveridge, Jr. et al.
patent: 4562747 (1986-01-01), Jaeger

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