髓骨

Methods 98 cases with fracture of femoral bone and shaft of tibia were treated with locked bone nail.

目的：总结应用带锁髓内钉术治疗下肢长干骨骨折的治疗效果，分析术后并发症的应用，提出防治方法。

Key words:Locked bone nail;Long bone fracture in the lower limbs;Complication

带锁髓内钉；下肢长干骨骨折；并发症

Objective To summarize the effects of locked bone nail in curing long bone fracture in the lower limbs,analyze the application of postoperative complications and propose the preventive and curing strategies.

目的：总结应用带锁髓内钉术治疗下肢长干骨骨折的治疗效果，分析术后并发症的应用，提出防治方法。

Bone nail ; fracture fixation intramedullary ; femur ; fracture ; biomechanics

骨钉； 骨折固定术；髓内；股骨；骨折；生物力学

Fracture healing was eventually achieved in 18 non-unions (95%). Complications following exchange nailing occurred in 11 fractures (58%), in which further surgery was required (four repeat exchange nailings, two Ilizarov frame applications and five nail removals).

最终18侧别的骨不连达到了愈合，占95%。11侧别骨折（58%）在换钉后产生了并发症，并需要进一步手术，其中4例需要再次换钉，2例上Ilizarov外固定架，5例取出髓内钉。

The normal strain on the surface of the periodontal ligament is assumed as the mechanical stimulus proportional to the absorption rate of alveolar bone in each week.

选用一个正畸患者的下颌尖牙，建立包括牙齿、牙周膜、牙髓、牙槽骨的三维实体模型，通过有限元计算得到初始应变分布。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。