A system for increasing the volumetric flow uniformity of fluid pumped through a conduit by an infusion pump. A pumping mechanism operates in identifiable step movements that are broken down into microstep movements that are then grouped into packets. The pumping mechanism controls the period of each...http://www.google.de/patents/US6193480?utm_source=gb-gplus-sharePatent US6193480 - System and method for increased flow uniformity
