FILTERING DEVICE FOR BLOOD OR PLASMA Russian patent published in 2003 - IPC

FIELD: medicine; applicable in removal of exogenic antibodies from blood or plasma circulating through extracorporeal system of patient's blood circulation. SUBSTANCE: device has vessel made for accommodation of adsorbent and provided with inlet and outlet holes for connection with intake and discharge pipes forming a part of blood circulation. Vessel has intake chamber, adsorption chamber accommodating adsorbent and discharge chamber. Chambers are located successively and separated by means of filter elements. Inlet hole and outlet hole are located near each other in joint with common movable valve. Said valve is made to connect, in its first position, inlet and outlet holes directly with respective channels in vessel wall; and in its second position, to connect inlet and outlet holes with respective ends of bypass channel in vessel wall. EFFECT: reduced risk of coagulation of blood residing in bypass pipe. 9 cl, 4 dwg