Fuente: WIPO "tomato" A system, a method and a medical apparatus for treatment of body tissue which comprises at least partially one or more electrically conductive element, an energy source configured to provide a DC energy to the medical device and/ or the tissue and a first control unit configured to control the energy source, wherein the first control unit causes the energy source to provide DC energy that establishes a direct electroadhesion bonding between the tissue and the medical device when the tissue and the medical device are in a direct contact or that establishes an indirect electroadhesion bonding between the tissue and the medical device via conductive means.