An electrotherapeutic device for passing a DC electric current through a living organism by applying a voltage to the living organism includes a battery with an internal resistance which is high enough so that changes in the resistance value of the living organism can be disregarded. Excessive flow of...http://www.google.fr/patents/US5376107?utm_source=gb-gplus-shareBrevet US5376107 - Electrotherapeutic device
