A medical infusion pump is disclosed which provides for greatly improved accuracy in the delivery of medicaments to a patient. Among the various features included in the instant invention is a pumping body which serves to deform and reform a tube so as to maintain the initial cross-section thereof...http://www.google.de/patents/US5842841?utm_source=gb-gplus-sharePatent US5842841 - Volumetric infusion pump with transverse tube loader