A disposable wearable infusion device comprises a base that is arranged to adhere to the surface of a patient, a source arranged to provide a liquid medicament to be delivered to a patient, an outlet through which the medicament is delivered to the patient, a pump that pumps the medicament, and a conduit...http://www.google.co.uk/patents/US7927306?utm_source=gb-gplus-sharePatent US7927306 - Disposable infusion device with prime indicator
