The present invention features a method of administering an active agent to a human barrier membrane by applying to the membrane a device including a housing having the barrier membrane contacting surface, a first conductive electrode, a second conductive electrode, and a carrier containing the active...http://www.google.com/patents/US7477940?utm_source=gb-gplus-sharePatent US7477940 - Methods of administering an active agent to a human barrier membrane with galvanic generated electricity
