首页> 美国卫生研究院文献>BMC Veterinary Research >Effect of plate working length on plate stiffness and cyclic fatigue life in a cadaveric femoral fracture gap model stabilized with a 12-hole 2.4 mm locking compression plate
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Effect of plate working length on plate stiffness and cyclic fatigue life in a cadaveric femoral fracture gap model stabilized with a 12-hole 2.4 mm locking compression plate

机译:在12孔2.4mm锁定加压钢板稳定的尸体股骨骨折间隙模型中钢板工作长度对钢板刚度和循环疲劳寿命的影响

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摘要

BackgroundThere are several factors that can affect the fatigue life of a bone plate, including the mechanical properties of the plate and the complexity of the fracture. The position of the screws can influence construct stiffness, plate strain and cyclic fatigue of the implants. Studies have not investigated these variables in implants utilized for long bone fracture fixation in dogs and cats. The purpose of the present study was to evaluate the effect of plate working length on construct stiffness, gap motion and resistance to cyclic fatigue of dog femora with a simulated fracture gap stabilized using a 12-hole 2.4 mm locking compression plates (LCP). Femora were plated with 12-hole 2.4 mm LCP using 2 screws per fracture segment (long working length group) or with 12-hole 2.4 mm LCP using 5 screws per fracture segment (a short working length group).
机译:背景技术有几个因素会影响骨板的疲劳寿命,包括骨板的机械性能和骨折的复杂性。螺钉的位置会影响植入物的结构刚度,板应变和周期性疲劳。研究还没有调查用于狗和猫的长骨骨折固定的植入物中的这些变量。本研究的目的是评估使用12孔2.4 mm锁定加压钢板(LCP)稳定的模拟骨折间隙时,钢板工作长度对犬股骨结构刚度,间隙运动和抗循环疲劳性的影响。在每个骨折段使用2个螺钉(长工作组)对12孔2.4 mm LCP镀覆股骨,在每个骨折段使用5个螺钉对12孔2.4 mm LCP进行镀层(短工作组)。

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