Sample metering port for analytical rotor having overflow chambe

Details Sample metering port for analytical rotor having overflow chambe Sample metering port for analytical rotor having overflow chambe

1991-10-29

1993-09-07

Drodge, Joseph W.

Liquid purification or separation

Processes

Separating

2103801, 422 72, 422119, 436 45, 436180, 494 17, B01D 17038

Patent

active

052426068

ABSTRACT:
An analytical rotor for separating plasma whole blood comprises a rotor body having a sample application port in an upper surface thereof. Blood introduced to the sample application port is metered into a metering chamber by capillary flow while the rotor remains stationary. Excess blood passes into an overflow chamber by capillary flow, either simultaneously with the metered flow or after opening of a vent in the overflow chamber. Subsequent rotation of the rotor causes metered blood in the metering chamber to flow into a receiving chamber, typically a plasma separation chamber.

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