An iontophoresis device may include: an electric power source; a first electrode assembly coupled to the electric power source; and a second electrode assembly as a counter electrode of the first electrode assembly. The first electrode assembly may include an adhesive portion that facilitates contact...http://www.google.es/patents/US20070197955?utm_source=gb-gplus-sharePatente US20070197955 - MUCOUS MEMBRANE ADHESION-TYPE IONTOPHORESIS DEVICE