Orthokey is a young company founded in 2005 but people working in it have 20 years of experience in Computer Assisted Orthopaedic Surgery. Real progress comes when technology is used in clinical daily practice. In the design phases of our solutions, at Orthokey, we follow three simple but fundamental goals: our systems has to be fast, simple and accurate. This ensures hi level solutions with short learning curves and surgeons’ satisfaction. Perseus Perseus is a gyro powered femoral axis finder, that allows surgeon to perform perfectly aligned resections with less effort and morbidity, compared to conventional instrumentation for TKA. (www.smartperseus.com) KiRA KiRA is a medical devices for outpatient use, KiRA supportthe analysis of knee joint kinematics and dynamic laxities. Providing real-time graphics and quantitative information about test. (www.smartkira.com) BLU-IGS BLU-IGS platform is tha CAS system integrating anatomical data, surgical workflows and biomechanical models to support the surgeon during major lower limb arthroplasties