No bone graft was needed, even with comminution at the fracture site.
无需植骨,即使是在骨折粉碎部位。
When bearing the axial press stress in fracture site is uniform, so best reduces the stress block.
负重时骨折端均匀的承受轴向压应力,克服了应力遮挡作用。
A 2-cm bone gap was then created at the fracture site to simulate comminution and the mechanical tests repeated.
然后在骨折端之间形成一个2厘米的间隙模拟粉碎性骨折,重复力学试验。
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