Cerclage band system for periprosthetic and periimplantatic fractures with easy and modern solutions. Compared to classical wire Cerclage systems Sirtalis ensures an optimal band tension throughout the whole healing period while not damaging the periosteal blood supply. It is fully compatible with the large Vortex plates (using 5,1 mm screws): Vortex Proximal Femur, Vortex Distal Femur, Vortex Diaphysis Large, Vortex Proximal Tibia plates. Apart from the heavy duty titanium band the surgeon can select an auxiliary plate with further 4 polyaxial screw options (3,5 mm) and band supports and spikes