Device and method of extracting high-concentration plasma from whole blood
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United States of America Patent
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Jun 12, 2018
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Jun 12, 2017
filing date -
Oct 15, 2013
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Abstract
Discussed is a method of extracting high-concentration plasma from whole blood, the method including: collecting whole blood in a first syringe; connecting a centrifugation tube to the first syringe and centrifuging the whole blood; separating the centrifugation tube containing red blood cells collected therein; discharging buffy coat from the first syringe; connecting the first syringe and a second syringe to a pair of inlets of a membrane filter; applying pressure to the first syringe to introduce the plasma into the membrane filter, and introducing the plasma from the second syringe into the membrane filter; repeating said applying and introducing steps; and collecting a high-concentration plasma containing components that are larger than a predetermined particle diameter and remain in a cavity portion of a membrane of the membrane filter without passing through the membrane.
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