Method and apparatus for handling liquid samples

Fluent material handling – with receiver or receiver coacting mea – Processes – With material treatment

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Details

23230R, 23230B, 210DIG23, 141318, 422100, B65B 304

Patent

active

041191250

ABSTRACT:
Method and apparatus for handling a liquid sample such as a blood sample, which has been processed to obtain phase separation of the sample's components. The apparatus includes a cup for containing a quantity of the separated fluid phase of the sample, a suction cylinder and probe usable with the cup for extracting the fluid phase and an associated container for holding the remainder of the sample. Preferably, the cup has a specific configuration which provides for nesting within the top portion of the container and concurrently provides for tight sliding engagement with the inside surface of the suction cylinder to extract the fluid phase by a piston-like cooperation. An optional thin sleeve may be inserted over the bottom portion of the cup, prior to nesting, to prevent contamination of the outside walls thereof. The method includes introducing a phase separable liquid sample into the container, processing the sample to obtain separation of at least one fluid phase and extracting a quantity of fluid phase, with the probe and suction cylinder, into the cup. Thereafter, the probe and suction cylinder are removed, and the cup containing the fluid phase is capped and nested within the top portion of the container. Preferably, the nested cup and container are coded with a two-part break-away label which is affixed to their outside walls adjacent the juncture of their contact.

REFERENCES:
patent: 3481477 (1969-12-01), Farr
patent: 3508653 (1970-04-01), Coleman
patent: 3586064 (1971-06-01), Brown et al.
patent: 3721528 (1973-03-01), Mead et al.
patent: 4035294 (1977-07-01), Landers et al.

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