Pacemaker’s battery will be recharged by some external energy through the wire that expands from the battery to the skin button. This wire should be conductive, have strength for a long time, have flexibility to ensure patients comfort, and should be visual under radioscopy in order to monitor its condition over time. Also should be not toxic to the body.
Usually materials that have good conductivity typically lack good strength characteristics. There are some materials with radiopacity, but are usually lacking in the ability to withstand mechanical fatigue. In order to overcome these