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Vitoss Scaffold Synthetic Cancellous Bone Void Filler is intended only for use, as a bone void filler for voids or gaps that are not intrinsic to the stability of the bony structure. Vitoss Scaffold is indicated for use in the treatment of surgically created osseous defects or osseous defects created from traumatic injury to the bone. Vitoss Scaffold should not be used to treat large defects that in the surgeon's opinion would fail to heal spontaneously. Vitoss Scaffold is intended to be gently packed into bony voids or gaps of the skeletal system (i.e., the extremities, spine and pelvis). Following placement in the bony void or gap, the calcium phosphate scaffold resorbs and is replaced with bone during the healing process.

Vitoss Scaffold is a porous calcium phosphate resorbable bone void filler for the repair of bony defects. It is an osteoconductive porous implant with a trabecular structure that resembles the multidirectional interconnected porosity of human cancellous bone. Pore diameters in the scaffold range from 1 um to 1000 µm (1 mm). The implant is provided sterile in block and morsel forms. Vitoss Scaffold guides the three-dimensional regeneration of bone in the defect site into which it is implanted. When Vitoss Scaffold is placed in direct contact with viable host bone, new bone grows in apposition to the calcium phosphate surfaces of the implant. As the implant resorbs, bone and other connective tissues grow into the space previously occupied by the scaffold. Results from animal studies demonstrate that eighty percent of Vitoss Scaffold is resorbed within twelve weeks.