Apparatus for continuously sampling plasma
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United States of America Patent
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-
Dec 11, 1990
Grant Date -
N/A
app pub date -
Mar 28, 1989
filing date -
Mar 28, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for continuously sampling plasma are disclosed. The method of the present invention comprises removing blood from the patient, separating a substantially small portion of plasma, and returning the blood to the patient. The removing, separating, and returning steps are performed continuously and simultaneously with each other. The apparatus of the present invention relates to a double-lumen cannula or venipuncture needle for the removal and returning of blood to the patient at the same site.
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