Microsample handling apparatus

Details Microsample handling apparatus Microsample handling apparatus

1983-03-23

1985-05-14

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Capture device

134 21, G01N 3506

Patent

active

045164371

ABSTRACT:
Method of and apparatus for handling a microsample comprising a probe for aspirating a sample and a cleaning mechanism having a passageway within which the probe is movable. The passageway has a cleaning chamber having opposite ends, one end being open to the atmosphere and proximate the sample. The cleaning mechanism further includes a fluid directing means and two vacuum applying means, the vacuum applying means being disposed at opposite ends of the chamber and the fluid directing means being disposed between them. During a cleaning mode the fluid directing means directs a wash fluid against the probe and the vacuum applying means removes the wash fluid, prevents exiting of the wash fluid and drys the probe, the later two by permitting gas from the atmosphere to flow into the cleaning chamber.

REFERENCES:
patent: 3266322 (1966-08-01), Negersmith
patent: 3719086 (1973-03-01), Bannister et al.
patent: 3911749 (1975-10-01), Hendry
patent: 4064886 (1977-12-01), Heckele
patent: 4166305 (1979-09-01), Gustafsson
patent: 4217780 (1980-08-01), O'Connell et al.
patent: 4311484 (1982-01-01), Fosslien

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