鼻骨对钝性撞击的耐受性。
The tolerance of the nasal bone to blunt impact.
作者信息
Cormier Joseph, Manoogian Sarah, Bisplinghoff Jill, Rowson Steve, Santago Anthony, McNally Craig, Duma Stefan, Bolte Iv John
机构信息
Biodynamic Research Corporation Virginia Tech - Wake Forest Center for Injury Biomechanics The Ohio State University Transportation Research Center.
出版信息
Ann Adv Automot Med. 2010;54:3-14.
The nasal bone is among the most frequently broken facial bone due to all types of trauma and is the most frequently fractured facial bone due to motor vehicle collisions. This study reports the results of anterior-posterior impacts performed on male cadavers using a free-falling impactor with a flat impacting surface. The force at fracture onset was determined using an acoustic emission sensor. These non-censored data were utilized in parametric and non-parametric techniques to determine a relationship between applied force and fracture risk. Based on these analyses a 50% risk of fracture corresponded to an applied force of approximately 450 to 850 N. There was no correlation between fracture force and anthropometric measures of the nasal bone. Interestingly, age had a statistically significant relationship with the risk of nasal bone fracture. This study demonstrates the need for a non-censored measure of fracture occurrence when evaluating structures that can continue to support load after fracture onset.
鼻骨是面部最常因各类创伤而骨折的骨头之一，也是机动车碰撞中最常发生骨折的面部骨头。本研究报告了使用具有平坦撞击面的自由落体撞击器对男性尸体进行前后撞击的结果。骨折起始时的力通过声发射传感器测定。这些未删失数据被用于参数和非参数技术，以确定施加力与骨折风险之间的关系。基于这些分析，50%的骨折风险对应于约450至850牛的施加力。骨折力与鼻骨的人体测量指标之间没有相关性。有趣的是，年龄与鼻骨骨折风险存在统计学上的显著关系。本研究表明，在评估骨折起始后仍能继续承受负荷的结构时，需要对骨折发生进行未删失测量。
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