Separation device for use in blood collection tubes
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United States of America Patent
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Dec 14, 1993
Issued Date -
N/A
app pub date -
Dec 16, 1991
filing date -
May 29, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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 than the specific gravity of the lighter phase. The member also 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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