| abstract |
The invention relates to a system for preventing bacterial infections in needle trajectories, comprising:n a percutaneous surgical instrument ( 1 ) percutaneously introducible into a tissue ( 3 ) of a patient, such as a biopsy needle, and having an outer surface made of an electrically conductive material; a contact electrode ( 4 ) applicable to the skin ( 3 a) of a patient; nn a silver coating or element (P) arranged on or forming part of the instrument ( 1 ), and configured, sized and provided so as to break down by means of electrochemical release when a current is applied thereto, releasing silver ions into its surroundings; andn an electric current generator ( 2 ) arranged and configured for generating a current and inducing the temporary circulation thereof between the instrument ( 1 ) acting as an anode, the tissue ( 3 ) and the contact electrode ( 4 ) acting as a cathode, respectively, with a specific magnitude and duration for producing a massive and sudden release of silver ions for the purpose of preventing post-treatment bacterial infections. |