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Bone healing in fractures treated with external fixation

机译:用外固定治疗的骨折骨愈合

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The two processes by which fractures unite are called direct and indirect bone healing. In direct bone healing, bone forms without an intermediate cartilage stage. For this to occur, the mechanical environment of the fracture must be absolutely stable with a minimal gap existing between bone ends. The two mechanisms involved in direct bone healing are gap healing and contact healing. The first stage of gap healing is filling of the gap with bone. The second stage of gap healing is longitudinal reconstruction of the fracture site with haversian remodeling. Where the bone is in contact, there is simultaneous union and reconstruction of the fracture ends with haversian remodeling.
机译:裂缝团结的两种过程称为直接和间接骨愈合。在直接骨愈合中,骨形式没有中间软骨阶段。为此,骨折的机械环境必须绝对稳定,骨骼之间存在的最小间隙。直接骨愈合涉及的两种机制是间隙愈合和接触愈合。间隙愈合的第一阶段是用骨骼填充间隙。间隙愈合的第二阶段是具有Haversian重塑的骨折部位的纵向重建。在骨骼接触的情况下,有同时的工会和重建骨折结束,具有Haversian重塑。

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