Cardiopulmonary bypass circuit including a filtration device
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United States of America Patent
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Sep 15, 2015
Grant Date -
Nov 10, 2011
app pub date -
Jan 15, 2010
filing date -
Jan 15, 2009
priority date (Note) -
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Abstract
Apparatus and methods for extracorporeal blood filtration involving the connection of a patient's cardiovascular circulation to an extracorporeal circulatory circuit, and filtration devices suitable for use in such apparatus and methods are disclosed. Such filtration devices include a filter medium comprising a layer of non-woven fabric (21) impregnated with porous beads (22) and carrying a porous screen (23) on at least one side. This invention enables the removal or particular molecular species such as pro-inflammatory cytokines from a patient's circulation, and is of particular utility in cardiopulmonary bypass and haemodialysis-like procedures.
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