Retrospective Collection of Safety and Performance Data

Exclusion Criteria

• •Serious infection within two months before surgery, active malignancy, cellulitis, osteomyelitis, diseases interfering with bone metabolism (primary hyperparathyroidism, severe renal or hepatic insufficiency, non-treated hyperthyroidism), other bone metabolic diseases (osteomalacia, Paget disease, osteogenesis imperfecta), bone metastasis, primary bone tumors.