Centrifugal plasmapheresis device
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United States of America Patent
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Jul 30, 1985
Grant Date -
N/A
app pub date -
Nov 22, 1982
filing date -
Nov 27, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The device comprises a single needle circuit having lines for admitting whole blood drawn from a patient to a continuously rotating rotor, re-introducing red cells and collecting plasma, the lines being respectively connected to the three outlets of a coupling static block rigidly attached to the rotor, two photocell-lightsource assemblies being further provided for automatically cyclically switching over the blood pick up and red cells introduction steps in the device steady state condition of operation.
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