Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 5, 2010
Patent Application Number
12101594
Date Filed
April 11, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
A separator that uses centrifugation to fractionate a suspension such as blood comprises a separation container and a buoy. The buoy is carried in the separation container and has a tuned density that is configured to reach an equilibrium position in a suspension. The guide surface is carried on the buoy upper surface and is inclined to an accumulation position near a buoy perimeter. The buoy suspension fractionation system can be used in a method of isolating a fraction from a suspension, and in a method for re-suspending particulates for withdrawal.
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