The methods include posterior ring internal fixation by using sacral bars, four-hole square plates or cancellous screws with anterior ring fixed by plates.
固定方法有：前环骨折采用钢板固定；后环骨折分离采用骶骨棒，四孔方形钢板，松质骨螺钉固定。
Objective To compare the clinical treatment of four types of anterior fixation system on the thoracolumbar spinal burst fracture.
目的比较四种前路内固定器械治疗胸腰段脊柱爆裂性骨折的临床效果。
Conclusions Four methods are advantages and disadvantages. clavicula hook plate is a good internal fixation for treatments of acromioclavicular dislocation.
结论四种内固定各有利弊，肩锁钩钢板固定术的疗效优于克氏针内固定，是一种较好的治疗肩锁关节脱位的方法。
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