Electrical treatment apparatus (100) for use with an associated molecule source, comprising: at least one electrode (106); a power source (120) for electrifying said at least one electrode; and a controller, which is programmed to activate the power source (120) to selectively electrify said at least...http://www.google.co.uk/patents/US7171263?utm_source=gb-gplus-sharePatent US7171263 - Drug delivery device
