Method and apparatus for cleaning a liquid dispensing probe

Details Method and apparatus for cleaning a liquid dispensing probe Method and apparatus for cleaning a liquid dispensing probe

1997-07-11

1998-10-27

Le, Long V.

Chemistry: analytical and immunological testing

Automated chemical analysis

With conveyance of sample along a test line in a container...

436 54, 422100, 134 21, 134 2211, 134 2212, 134170, 7386411, 7386422, 7386434, B08B 304, B08B 902

Patent

active

058277447

ABSTRACT:
A method for cleaning a liquid sample probe in which the probe is positioned within a washing chamber inside a wash body and a purging liquid solution is pumped through the probe into the chamber. A cleaning liquid solution may also be pumped into the chamber around the probe. Either or both liquids are subsequently vacuumed from the chamber drawing air through an annular gap between the probe and the wash body thereby creating a cleaning air flow between the exterior probe surface and the wash body. The cleaning air flow removes all cleaning liquid solution and/or purging liquid solution as the probe is removed from the wash body.

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patent: 5186194 (1993-02-01), Kitajima
patent: 5279794 (1994-01-01), Sasao
patent: 5408891 (1995-04-01), Barber et al.

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