Device for cleaning a needle for sampling a liquid from a closed

Details Device for cleaning a needle for sampling a liquid from a closed Device for cleaning a needle for sampling a liquid from a closed

1994-07-15

1996-10-29

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Capture device

G01N 3506

Patent

active

055698611

ABSTRACT:
A displaceable needle (16) for sampling the liquid from the flask is mounted on a slide (5) that is mobile vertically in relation to a support bracket (1) integrated in the sampling apparatus. The sampling needle passes through a percussion head (10) mounted on the base of the bracket and to which is connected a piercing needle. A conduit (12) for rinsing places the percussion head in communication with the outside.
Application to blood sampling in a haematological analysis apparatus.

REFERENCES:
patent: 3719086 (1973-03-01), Bannister et al.
patent: 3748911 (1973-07-01), Rousselet et al.
patent: 3991627 (1976-11-01), Laird et al.
patent: 4478095 (1984-10-01), Bradley et al.
patent: 4624148 (1986-11-01), Averette
patent: 4713974 (1987-12-01), Stone
patent: 4817443 (1989-04-01), Champseix et al.

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