A device and method are provided for spontaneous electrochemical production of therapeutic species, in vivo. An active metal is implanted in the tissue. The metal undergoes corrosion, thus acting as a reducing agent to constituents in the tissue, so as to cause these constituents to form the therapeutic...http://www.google.com.au/patents/US7727221?utm_source=gb-gplus-sharePatent US7727221 - Method and device for electrochemical formation of therapeutic species in vivo
