In the medical field, reliability and a long service life are indispensable prerequisites for the rapid operability of the products used. The support arm systems are used, among other things, to hold ventilation tubes, infusion systems, monitors and trays. Purely mechanical joints allow safe and easy positioning with high stability. The "Quick Lock" is a universal articulated arm with a large swivel range. It is used to hold hoses and cables. Up to 3 joints can be fixed simultaneously in the optimum working position with little effort on a central star grip.