Objective To elucidate the mechanism of silica gel membrane(SGM) with bone morphogenetic protein (BMP) and hydroxyapatite (HA) in repairing segmental bony defect.

• 目的 探讨硅胶膜 (SGM )管与骨形态发生蛋白 (BMP) /羟基磷灰石 (HA)复合物联合修复兔长骨缺损的机制。