An extracorporeal blood processing method and system wherein blood is extracted from a mammalian subject through a blood withdrawal tube having a blood pump, such as a peristaltic pump, positioned thereon. A "distal segment" of the blood withdrawal tube extends from the mammalian subject to the inlet...http://www.google.fr/patents/US6033561?utm_source=gb-gplus-shareBrevet US6033561 - Apheresis system incorporating alternative site for anticoagulant addition
Apheresis system incorporating alternative site for anticoagulant addition