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    • 9. 发明申请
    • METHOD AND APPARATUS FOR INCREASING CONTAMINANT CLEARANCE RATES DURING EXTRACORPOREAL FLUID TREATMENT
    • 在超临界流体处理过程中增加污染物清除率的方法和装置
    • US20110009796A1
    • 2011-01-13
    • US12810295
    • 2008-12-19
    • Richard H. TullisHarold H. HandleyPaul Duffin
    • Richard H. TullisHarold H. HandleyPaul Duffin
    • A61M1/34B01D63/02B01D15/00B01D61/00
    • A61M1/3486
    • An extracorporeal fluid treatment apparatus includes a separator comprising a cartridge surrounding a porous separation membrane. The membrane separates a main flow path of a cellular component of the blood from a plasma flow path. An affinity medium is disposed within the plasma flow path to bind contaminants such as viral pathogens or toxins contained within the plasma. A pump pumps the plasma through the affinity medium at an assisted flow rate preferably between 10% and 40% of the whole blood flow rate. The assisted flow rate is selected to reduce a T90% of the apparatus by at least 50% as compared to a T90% of the apparatus without the plasma pump. A method of treating blood containing contaminants includes supplying infected blood to a separator and pumping the plasma component through an affinity medium at an assisted flow rate to increase contaminant clearance.
    • 一种体外流体处理设备包括一个分离器,该分离器包括围绕多孔分离膜的盒。 膜将血液的细胞成分的主流路与等离子体流路分开。 亲和介质设置在等离子体流动路径内以结合血浆中包含的病毒病原体或毒素等污染物。 泵以相对于全血流量的10%至40%的辅助流速泵送血浆通过亲和介质。 与没有等离子体泵的装置的T90%相比,选择辅助流速以将装置的T90%降低至少50%。 一种处理含有污染物的血液的方法包括将受感染的血液供应到分离器并以辅助流速泵送血浆成分通过亲和介质以增加污染物清除率。