Synthetic biphasic substitute. Osmosys® is a highly macroporous bone substitute made of 60% HAP for its excellent mechanical properties and 40% of ?TCP for a good resorbability. Benefits Osseoconduction after 6 weeks: due to the interconnected macroporosity, the new bone formation moves from the surface to the center of the graft Osseointegration after 12 weeks: complete invasion of the macropores by the osseous tissue Synthetic : no risk of infection or cross contamination Biocompatible: more than 15% of experience Bioresorbable: progressive substitution by the new bone No need for a donor site (iliac crest,…) Features Composition: - 60% hydroxyapatite (HAP) - 40% ß tricalcium phosphate (ß TCP) Interconnected porosity: 60 - 80% - 90% to 95% of macraporosity ( 200 - 500 ?m) compatible with human bone-cell size - 5% to 10% of microporosity (5?m) to allow the penetration of the fluids and the nutrients Range: - Granules : 2-3 mm (5cc, 10cc, 16cc, 22cc) - Sticks : 5x5x20 mm (5 per box). Presentation: Substitute delivered sterile (Gamma radiation)