Safety element for assuring the electrical continuity of pacemaker leads

摘要

Safety element (16) intended to assure in time the electric reliability of pulse transmitting leads (12), comprised in apparatus for the electric stimulation of the heart (pacemaker 10) and consisting of a main metallic coil (13) of tubular structure delimiting an inner bore, covered by an insulating sheath (14), which safety element (16) comprises a flexible lead formed by one or more wires coiled in tight turns or intertwined and provided with a rounded head for making it easier the introduction of the safety element in the bore of the main metal coil of the pulse transmitting lead.