Patent ID: 7522954

Claim:
Device for the transcutaneous administration of substances by means of iontophoresis, comprising an operative head provided with an inlet for a fluid transporting substances to be administered, with a fluid dispenser which has a part in contact with the skin, with an electrode located in a main body of the operative head, the electrode being positioned on a path of the fluid from the inlet to the dispenser, wherein: the dispenser is made of electrically conducting material and is in electrical contact with the electrode only by the action of the fluid; the dispenser and the electrode are arranged in a predetermined relative position which maintains constant over time the geometric shape of the volume of fluid present between them; the electrode being connected to a voltage driven current generator which, in turn, is connected to at least a counter electrode positioned on a first portion of skin, to close the circuit, the part of the dispenser in contact with the skin acting on a second portion of skin.