“…The central veins are the direct inflows of the upper and lower vena cava [1,2]. Currently, the most common way of obtaining central access is cannulation of the internal jugular and subclavian vein [3]. Currently, we distinguish the following types of central vascular catheters: peripheral central catheters, centrally introduced central catheters, tunneled or non-tunneled, fully implanted central vessel ports [1,4,5,6,7].…”