An ophthalmic drug delivery device having a scleral surface, an orbital surface, an injection port on the orbital surface, and a fluid conducting passageway disposed within the device that is fluidily coupled to the injection port and terminates in an opening for communicating the fluid to an outer surface...http://www.google.fr/patents/US6986900?utm_source=gb-gplus-shareBrevet US6986900 - Ophthalmic drug delivery device