目的：比较三种不同直径人骨拉力螺钉的剪切和扭转性能。
To compare the cutting and reversing property of there different diameter conicalpulling-screws.
方法：手术先将髂内外动脉做血流控制术后，行骨折复位、松质骨拉力螺钉固定共2 1例。
Method:After controlling the blood flow of the internal and external iliac arteries in 21 cases, the fractures were reduced and fixed with lag-screws of cancellous bone.
目的探讨在CT引导下经皮微创技术置入松质骨拉力螺钉内固定治疗骶髂关节复合体损伤的可行性。
Objective To investigate the possibility of percutaneous cannulated lag screw fixation for treatment the injury of sacroiliac joint union under CT-guided.
目的探讨青少年下腰椎峡部裂的治疗中直接峡部植骨修复拉力螺钉张力带固定手术方法及其价值。
Objective To investigate direct bone graft repair with lag screw and tension band fixation technique and its value for the treatment of adolescence spondylolysis.
在胫骨的髓内钉固定手术中，无论踝关节面的骨片移位与否，都应用拉力螺钉固定。
Fractures of the distal tibia involving the articular surface with or without displacement should be fixed by lag screws during operation.
在胫骨的髓内钉固定手术中，无论踝关节面的骨片移位与否，都应用拉力螺钉固定。
Fractures of the distal tibia involving the articular surface with or without displacement should be fixed by lag screws during operation.
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