螺钉

The outcomes of diaplasis and fixation by using pedicle screw fixation in treatment on acture hangmans fracture were satisfaction, and this clinical technique can promot functional recovery of spinal cord, decrease the rate of infection and less affect the function of uper cervical spine.

椎弓根螺钉内固定治疗早期枢椎椎弓骨折，复位固定满意，促进脊髓功能的恢复，且较少影响上颈椎功能。

MethodTwo FEA models of two screws and three screws for adductive femoral neck facture fixations were set up to investigate the simulated loading of three different conditions.

目前，空心加压螺钉内固定技术以创伤小、有利于骨折愈合的特点，已经成为股骨颈骨折的主要治疗手段。

Objective To compare different angle internal fixation for treatment of the adductive femoral neck fracture with cannulated compression screw with the finite element method, and evaluate the risk of subtrochanteric fracture of the complication of the internal fixation, and find out the rational fixation manner to guide clinical practice.

目的 通过有限元方法对内收型股骨颈骨折的不同角度空心加压螺钉固定技术进行对比评价，判断何种技术更易发生转子下骨折，为临床应用提供理论依据。

The locking mechanism significantly increases the prompt fixation strength and antifatigue strength of the tested screw-plate systems.

锁定机制提高了颈椎前路钢板螺钉的即刻固定强度和抗疲劳强度。

Methods 51 cases with the age from 6 to 79 years (average 52.3 years) were treated with posterior lumbar canal decompression by resection of spinal appendicular bone of diseased segment and with pedicle screw fixation and cage with local bone.

51例腰椎滑脱症患者行腰椎后路病变节段附件切除椎管减压椎弓根螺钉内固定，并行钛笼自体骨椎间融合，年龄36～79岁，平均52.3岁。

Objective: To evaluate the biomechanical stability of C1-C2 pedicle screws fixation technique for atlantoaxial instability.

目的：评价寰枢椎后路椎弓根螺钉钢板固定的生物力学稳定性。

Objective: To evaluate safety and reliability with freehand technique of posterior lateral mass screw implantation in the treatment of atlantoaxial instability.

目的：评价寰枢椎后路侧块和椎弓根螺钉徒手置入技术的安全性和可靠性。

Main product:The Roll-Forming M/C for bolting corrugated sheet,boltless corrugated sheet,C-section/Z-section purlin,Roof Sheet special for Latticed Frame,Floor Decking Sheet,Roll Shutter Sheet,Binding Angle Sheet,Tile-Roof Sheet,Large-Span Roof Sheet,etc.

主要产品：锁螺钉瓦板、无钉隐藏式瓦板、C型及Z型檩条、网架专用及大跨度屋面板、楼面钢承板、卷帘门板、包角板、琉璃瓦板、大跨度拱形屋面板成型设备及其各种配套设备和彩板安装专用工具等。

For each subject, the buccolingual bone thickness was measured by postulating that the miniscrews would be inserted at 16 positions (10, 12, 14 and 16 mm above the median sagittal planes of the interradicular spaces between the first molars and the second premolars in the maxilla, and 30°, 45°, 60°, 90° from the cortical bone surface).

在重建后的锥形线束CT影像上测量上颌第二前磨牙与第一磨牙牙根间矢状面上距离参考平面10，12，14，16 mm的4个植入高度上，以与骨皮质表面成30°，45°，60°，90°的4个方向共16个部位的颊舌侧骨质厚度，计算各植入部位触及上颌窦的危险率，在骨厚度大于6 mm的植入部位模拟植入微螺钉种植体并测量其周围骨质密度。

Purpose To provide anatomical data for cervical lateral mass screw trajectory by a cadaveric study and two points method.

目的 通过解剖学研究，获得安全的下颈椎侧块螺钉的置钉技术。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。