An osmotic device (10) for delivering a beneficial drug, such as an anti-fungal, into the mouth of a human patient is disclosed. The device (10) has a size and shape adapting it to be comfortably retained in the mouth for extended periods of time. The device (10) comprises a wall (12) surrounding a compartment...http://www.google.es/patents/US5248310?utm_source=gb-gplus-sharePatente US5248310 - Oral osmotic device with hydrogel driving member
