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It is considered that up to 20% of the craniosinostosis patients require secondary surgeries. Different techniques have been used in craneofacial surgery for the reconstruction of great osseous defects in pediatric patients for many years. This paper is about a new technique to obtain osseous graft for covering osseous cranial defects, using particulate bone, harvested from the patient calvarian using a hand-driven brace and covered with a fibrin adhesive. This is a very simple technique, which provides a great amount of bone from the patient himself, therefore producing a small morbidity. Since 2007 the authors have been using autologous particulate bone harvested from de patient calvarian for the reconstruction of different size osseous defects found in craneofacial surgery, especially in pediatrics patients. Although alloplastic materials and bone substitutes have been used for cranial reconstruction, the best option is the autogenous bone. In contrast to synthetic materials autologous grafts have a faster osteointegration, due to their osteogenic, osteoinductive and osteconductive properties. Harvesting the bone from the calvarian patient produces a minimal morbidity compared to the extraction of grafts from other donor sites such as rips or hip. The use of autologous particulate bone in craniosinostosis surgery reduces the risk of second interventions due to secondary ossifications defects. On the other hand, the harvest is easy and the supply of bone it is enough in pediatric patients.