板骨

The raw data was processed by using axial, coronal and double oblique multi-planar reformation; Images obtained were graded in terms of quality with a 5-point scale(5=excellent, 4=good, 3=fair, 2=poor, and 1=nondiagnostic). In grading image quality at axial MPR, The radiologic specialists focused on the subarcuate fossa, tendon of tensor tympani, facial recess, vestibular aqueduct and pyramidal eminence, In grading image quality at coronal MPR, attention was given to the scute, crista transversa, fenestra cochleae, lateral malleal ligament and snake eyes signature of cranial nerve, In the grading of the image quality at double oblique MPR, the radiologic specialists concentrated on the malleus, incus, stirrup bone, upper bony semicircular and aquaeductus fallopii, and then to implement statistical analysis. In order to choose the minimum tube current values and the maximum pitch that can satisfy the diagnosis request, image quality of axial, coronal and double oblique reformation images was compared with different tube current groups. 15 ears of volunteers were used to test the validity with the scanning parameter. Subsequently noise, MTF and dose length product were measured by phantoms in different tube current and pitch, the parameters obtained were compared and taken into statistics analysis.

扫描模式使用临床常用的颞骨螺旋扫描方式：管电压120 kV，准直宽度20×0.6 mm，视野200 mm，重建矩阵512×512，旋转时间1 s/r，重建层厚0.6 mm，重建间隔0.3 mm，分别改变管电流(380、300、200、160、120和80 mA)和螺距(0.8、1.0和1.2)进行扫描和重建，然后对颞骨进行横断面、冠状面和双斜面多平面重组，于重组后的横断层面图像上选取弓形下窝、鼓膜张肌腱、面神经隐窝、前庭导水管和锥隆起5个解剖结构，冠状面重组图像上选取盾板、横嵴、蜗窗、面神经的蛇眼征和锤骨外侧韧带5个解剖结构，双斜面重组图像上选取锤骨、砧骨、镫骨、上骨半规管和面神经管5个解剖结构，在双盲的情况下由放射学专家分别对各管电流和螺距下扫描的重组图像进行评分，随后进行统计学处理，从中筛选出满足诊断要求的最低管电流值和最大的螺距，分别采用患者25例(15耳)用该管电流值和螺距验证其可行性；然后利用模体分别测试各管电流和螺距下的图像的空间分辨率、噪声及其剂量长度积，并对测试所得参数数值进行比较和统计学处理。

More thicker epiphyseal plate were found in the left femurs than the right femurs of the group fixed with plates at 3 and 6 month after operation. In the group fixed with plates, Safranine O staining showed epiphyseal plates ot the left femurs had more fuscous staining than the right femurs at 3 and 6 month after operation. Electron microscopy also found that the cells of the epiphyseal plates of left femurs were more eugenic than the right femurs in the group fixed with plates at 3 and 6 month after operation.

光镜学实验结果示滑动钢板固定的左侧股骨骨骺板总厚度及肥大细胞计数均明显大于普通组；组织化学观察示滑动钢板固定的左侧股骨骺板于术后3个月及6个月Safranine O组织化学染色明显深于普通组；电镜观察示滑动钢板固定的左侧股骨骨骺于术后3个月及6个月软骨增殖区软骨细胞分裂及生长较普通钢板固定的右侧活跃。

In conventional plating, the screw functions as an anchor, its axial force being exploited to press the undersurface of the plate against the bone.

它是通过螺钉的轴向作用力将接骨板压向板下骨面，依赖两者界面间产生的巨大摩擦力将骨折稳固固定。

Shanghai Erkang times craniomaxillary excellent (3D digital reconstruction of cranio-mandibular) Shandong Agents (2) Tianjinskull skull plate lock micro-plate series.

1上海倍尔康颅颌优(数字化3D颅颌骨重建)山东地区代理商(2)天津康利民颅骨板颅骨锁微型接骨板系列。

METHODS: A total of 200 volunteers who need to receive spinal fusion in the Affiliated Hospital of Qingdao University Medical College were selected, including 102 cases received anterior cervical subcorpectomy combined with iliac bone implantation fusion following decompression, and 98 cases received posterior laminectomy for decompression combined with intertransverse process fusion. Meantime, 223 normal adults were served as the control group.

随机选择青岛大学医学院附属医院住院患者中需行脊柱融合的自愿受试者200例，其中行颈椎前路椎体次全切除减压自体髂骨植骨融合钛板内固定者102例，腰椎后路椎板切除减压横突间植骨融合内固定者98例，以223名健康正常人作对照。

There was no pseudoarthrosis clinically or radiographically.Conclusion In surgical management of scoliosis deformity in situ autograft bone with calcium sulfate pellets is practical and dependable.

脊柱畸形矫正手术诸的植骨融合手术方法中，棘突根部椎板去皮质原位植骨加OsteoSet骨移植替代品混合应用是临床上实用、简易、可靠的植骨方法。

There was no pseudoarthrosis clinically or radiographically.Conclusion In surgical management of scoliosis deformity in situ autograft bone with calcium sulfate pellets is practical and dependable.

脊柱畸形矫正手术诸多的植骨融合手术方法中，棘突根部椎板去皮质原位植骨加OsteoSet骨移植替代品混合应用是临床上一种实用、简易、可靠的植骨方法。

Results There was moderate or strong negative correlation among the indexes of the degeneration of intervertebral disc including the relative area of vascular bud, the ratio of the uncalcified and the calcified layer, the quantitation of collagen type Ⅱand the indexes of osteoporosis including the thickness ratio of cortical bone, the relative area of bone trabecula, the density of femoral bone and vertebral body bone, the max stress and straining of bone.

结果 骨质疏松相关指标骨皮质厚度指数、骨小梁相对面积、股骨密度、椎体骨密度与椎间盘退变指标终板血管芽相对面积、非钙化/钙化层比值、Ⅱ型胶原定量之间存在中度到强度的负相关，而与Ⅹ型胶原表达存在中度到强度的正相关，其中椎体骨密度与软骨终板的Ⅹ型胶原相关性最强。

BACKGROUND: It is currently urgent to design biomechanical principles-based bone plate according to stress and strain distribution after plate fixation.

摘要背景：研究接骨板固定后的应力、应变分布规律，设计符合生物力学原理的接骨板是当前急待解决的课题。

The number of screw holes per plate length is maximized, without compromising plate strength. This allows an increased number

在保持接骨板强度的前提下，最大化接骨板钉孔的数目，在有限切口范围内提供更多的固定点。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。