Method for sampling in a container having a material therein which separates from a barrier material
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United States of America Patent
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Oct 3, 1995
Issued Date -
N/A
app pub date -
Sep 1, 1993
filing date -
May 29, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A process and method for preventing a separated material from interfering with the portion of a fluid to be sampled for use in a serum or plasma collection device including a gel material for partitioning and separating heavier and lighter phases of a fluid sample such as a blood sample. The device preferably includes a member such as a disc-shaped or ring-shaped member or a combination thereof to prevent the separated material from interfering with the sampling of the separated fluid sample. The member is preferably formed of hydrophobic and/or non-wetted material and has a specific gravity different from the specific gravity of the lighter phase. The process may also include a member which physically separates the separated material from the fluid to be sampled to allow the user to obtain an uncontaminated fluid sample.
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