Patent ID: 6401552
Filing Date: 2002-06-11
Classification: B01L

Abstract:
A centrifuge tube for collecting and dispensing a concentrated fluid sample, said centrifuge tube comprising:an elongated tube body surrounding a tube volume, said elongated tube body having an open top end and a bottom end having a discharge opening; discharge-opening occluding means adapted to be disengaged from a discharge-opening closing position to a discharge-opening open position; and means for dividing said tube volume into an upper chamber adjacent said open top end, and a lower chamber adjacent said bottom end, said means for dividing having a funnel-shaped configuration with an inverted conical portion having an upper end sealingly positioned in said elongated tube body and said inverted conical portion having a lower conical surface having a passageway at a converging point thereof, said passageway communicating between said upper and lower chambers, said passageway having a lower terminus positioned in said lower chamber of said bottom end of said elongated tube body, thereby forming a volume between said lower conical surface and a horizontal plane intersecting said lower terminus.