Method And Apparatus For Continuous Removal Of Submicron Sized Particles In A Closed Loop Liquid Flow System
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United States of America Patent
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app pub date -
Aug 24, 2010
filing date -
Aug 25, 2009
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Abstract
A method and apparatus for continuous removal of submicron sized artificial oxygen carriers (rAOC) and other materials such as cancer cells and bacteria from blood and other liquids. A centrifuge rotor having a curved shape is offset on a spinning rotor base and creates contiguous areas of low to high centrifugal force depending on the distances from the axis of the rotor base. This creates a density gradient field that separates materials of different densities input to the centrifuge that exit via different outputs. A monitor detects any red blood cells (RBC) with the rAOC before they exit the centrifuge. If there are any RBC detected logic circuitry changes the speed of rotation of the rotor, and the flow rate of pumps inputting and removing separated blood and rAOC to and from the centrifuge until there are no RBC in the rAOC exiting the centrifuge.
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