The present invention relates to an intervention device (20) for surgically intervening a target tissue of a human or animal body, comprising a penetrating body (100) arranged to be advanced into the target tissue along an advancing axis (Z+). The penetrating body (100) has an outer surface with a plurality of electrodes (e1, e2, e3, e4,..., eN) insulated from each other. More particularly, the penetrating body comprises a substrate base (5), a number N>；1 of electrically conducting coatings (cc
