A small, accurate, reliable and economical pump which is particularly useful in intravenous (IV) feeding includes a disposable pump chamber and a pump housing. The disposable pump chamber has an inlet, an outlet, and first and second flexible rolling diaphragm pumping chambers. First and second cylinders...http://www.google.fr/patents/US4382753?utm_source=gb-gplus-shareBrevet US4382753 - Nonpulsating IV pump and disposable pump chamber
