You are here Home Safety and shortages Safety monitoring and information Safety alerts Cognis/Teligen All alerts List of hazard alerts for Cognis Cardiac Resynchronisation Therapy Defibrillator and Teligen Implantable Cardioverter Defibrillator. Published 1 September 2014 Listen Print Share LinkedIn (Twitter) Facebook Email Loading... Cognis Cardiac Resynchronisation Therapy Defibrillator and Teligen Implantable Cardioverter Defibrillator24 September 2014Cognis Cardiac Resynchronisation Therapy Defibrillator and Teligen Implantable Cardioverter Defibrillator3 September 2013 Product types Implantable devices