APHERESIS SYSTEM INCORPORATING ALTERNATIVE SITE FOR ANTICOAGULANT ADDITION

摘要

An extracorporeal blood processing method and system (14) wherein blood is extracted from a mammalian subject through a blood withdrawal tube (16) having a blood pump (18), such as a peristaltic pump, positioned thereon. A "distal segment" of the blood withdrawal tube (16) extends from the mammalian subject to the inlet side of withdrawal pump (18). A "proximal segment" of the blood withdrawal tube (16) extends from the outlet side of the blood pump (18) to an extracorporeal blood processing apparatus (14). An anticoagulant feed tube (24) is connected to the "proximal segment" of the blood withdrawal tube (16) such that a flow of anticoagulant solution may be combined with blood exiting the outlet of said blood pump (18) and passing through the "proximal segment" of said blood withdrawal tubing (16).