Method and device for providing and spreading fluids

Details Method and device for providing and spreading fluids Method and device for providing and spreading fluids

1996-01-16

1998-09-01

Ludlow, Jan

Chemistry: analytical and immunological testing

Including sample preparation

Volumetric liquid transfer

118120, 118401, 422 99, 422100, 427 211, 4353091, 436174, 604411, G01N 110

Patent

active

058010629

ABSTRACT:
For the removal of a small amount of fluid, in particular blood, from a sealed container, and the deposition of a drop of fluid on a slide by a dropper, and the subsequent spreading of the drop, the rear end of a dropper needle having a longitudinal channel which passes therethrough is pressed through a seal into a container. Once the needle is inserted into the container, a drop of fluid moves out of the container via the longitudinal channel to a slide. After depositing the drop of fluid on the slide, the dropper itself is used to spread and distribute the drop of fluid on the slide, so that spreading of the drop of fluid is facilitated and hazardous waste is reduced to a minimum. The dropper used for this purpose is made integral with a spreader.

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patent: 5439649 (1995-08-01), Tseung et al.
patent: 5494828 (1996-02-01), Leopando

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