A delivery device for patient-controlled infusion of a medicament (6), the delivery device comprising a reservoir (2) for the medicament (6) and a pump (4) having a predetermined delivery dose which is capable of displacing the medicament from the reservoir (2) and delivering it to a patient, wherein...http://www.google.fr/patents/US6605060?utm_source=gb-gplus-shareBrevet US6605060 - Patient controlled drug delivery device
