The invention features an implantable device for the automatic delivery of an active ingredient according to an adjustable delivery profile. The device includes a housing; a reservoir operatively connected to the housing and arranged to store a solid composition including the active ingredient; an actuator...http://www.google.es/patents/US5660846?utm_source=gb-gplus-sharePatente US5660846 - Methods and apparatus for the delivery of solid drug compositions
Methods and apparatus for the delivery of solid drug compositions