An infusion pump for delivery of drugs to a patient includes a unit in which the pump mechanism is situated and a cassette through which the drugs to be delivered to the patient are pumped. The cassette includes a path for the fluid to flow from a drug vial to an outlet port. Disposed along the path...http://www.google.es/patents/US5006050?utm_source=gb-gplus-sharePatente US5006050 - High accuracy disposable cassette infusion pump
