Objective To investigate the effect of the recombinant human bone morphogenetic protein-2 (BMP-2) on the healing pattern of a tendon in bone tunnel with the suspending fixation.

目的研究骨形态发生蛋白- 2 (BMP - 2)对悬吊固定后肌腱在骨隧道内愈合方式的影响。

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Objective: the experiment was designed to evaluate whether it can improve tendon healing inside a bone tunnel, when the periosteal graft was wrapped around the tendon.

目的：探讨自体骨膜包裹肌腱植入骨隧道，是否会加速移植肌腱与骨隧道之间界面的愈合。

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Objective To investigate the effect of recombined bone xenografts(RBX) on the healing of tendon to bone through the way of imageology, histology.

目的探讨多孔性三维立体结构生物材料—重组和异种骨（RBX）在运动性前交叉韧带断裂后进行重建过程中的应用效果。

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