Methods Bone defects or unities due to limb traumas or infections were treated with the free bone grafts through bone marrow cavity, and then fixed with internal or external fixations;
方法对四肢长骨因创伤及感染造成骨缺损和骨不连，切取同骨或另骨的皮质骨植入骨的两段骨髓腔，并用内、外固定。
KGS could also improve the pathological changes in microstructure of bone, increase the thickness of trabecula and cortex (P <0.05) , reduce the trabecular gap and bone marrow cavity (P<0 . 05) .
还能明显改善骨显微结构的病理变化，使骨小梁厚度（高剂量）明显增加（P＜0．05），骨小梁间隙和骨髓腔明显缩小（P＜0．05）。
To compare with autologous bone graft, deproteined bovine cancellous bone and an autogenous red marrow had an identical effect for repairing bony cavity defect.
与自体骨移植材料相比，脱蛋白牛松质骨与自体红骨髓结合后对修复腔洞性骨缺损疗效相当。
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