An infusion pump for infusing a medical treatment fluid intravenously to a patient includes a collapsible treatment fluid bag juxtaposed with an inflatable drive fluid bladder confined between a pair of opposing containment members which cause the bladder to impinge against the bag as the bladder is...http://www.google.de/patents/US5433704?utm_source=gb-gplus-sharePatent US5433704 - Infusion pump, treatment fluid bag therefor, and method for the use thereof
