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- All specimens were instrumented with pedicle screws using a uniform technique. 所有样本都用单一的技术植入了椎弓根螺钉。
- Osteoporosis is often cited as a contraindication for pedicle screw fixation. 骨质疏松一直被列为椎弓根螺钉固定的禁忌症。
- The system is constructed by slotted threaded rods or rodplates connected by nuts to angled pedicle screws. 这系统由有螺纹的钢柱或钢板-柱组合及各种不同角度的椎弓根钢钉所成。
- Pedicle screws were inserted in L1 and L3 for the control group (nonsegmental fixation). 对照组中L1、L3植入椎弓根螺钉,不采用节段性固定。
- To assess the biomechanical strength of costotransverse unit screws and compare them to pedicle screws. 摘要目的测量肋横突结合区螺钉的生物力学特性并与椎弓根螺钉的进行比较。
- METHODS: All cases were fixed with C1 and C2 pedicle screws system following skull traction and reduction. 方法:行颅骨牵引复位病情稳定后用椎弓根螺钉系统固定C1,C2椎弓根。
- This experiment researched the drawn force of the single centrum pedicle screws. 此次实验研究的是单个椎体的螺钉拔出力。
- Four cases with scoliosis were managed with correction and fixation with pedicle screws posteriorly. 4例脊柱侧凸患者采用后路椎弓根钉矫形固定。
- Either Magerl screws or C1-C2 pedicle screws combined with Brooks wiring got the lowest three dimensional movements of the fixation techniques. Magerl螺钉或C1-C2椎弓根螺钉联合Brooks钢丝组成的固定系统的三维运动范围最小。
- Objective To inspect the effect of the treatment of sacroiliac joint dislocation by fixation by pedicle screws combined with iliac screws. 目的观察髂骨螺钉联合椎弓根钉治疗骶髂关节脱位的效果。
- Objectie. To analyze complications with thoracic pedicle screws in scoliosis treatment at our Department oer a 3-year period (1999-2001). 目的:分析从1999-2001年3年时间在我科进行脊柱侧弯治疗病例中与使用胸椎椎弓根螺钉引起的相关并发症。
- Conclusions.Navigation does indeed provide a higher accuracy in the placement of pedicle screws for most of the subgroups presented. 结论:在以上提到的大部分组群中,导航对于椎弓根螺钉置钉确实能提供一个较高的准确性。
- Two thecal penetrations were due to medial placement of pedicle screws, and 1 was due to dissection during spine exposure. 2例分别因为椎弓根钉偏内侧和脊髓显露时切开致脑脊液漏。
- Methods.Cadaveric lumbar spines were exposed by a posterior approach.Titanium pedicle screws were inserted.Radiographs and CTs were obtained. 方法:从后方暴露尸体腰椎,打入钛制椎弓根螺钉,然后摄X片和CT。
- The research of the bone structure on the pedicle screws think that the bone mineral density under the cortes of the pedicle srews is higher. 对椎弓根骨质结构的研究认为椎弓根皮质下骨质骨密度较骨小梁高。
- Study Design. This is a diagnostic study in which cadaers were ealuated by imaging and dissection after pedicle screw placement. 研究设计:诊断学研究,在尸体上打入椎弓根螺钉后,利用影像学和解剖切开进行评估。
- AIM To study the pullout force of pedicle screws with different forms of thread and to supply the experimentdata for the clinical application of transpedicular internal fixators. 目的了解不同形状螺纹的椎弓根螺钉在椎弓根内的拔出力的大小,给临床应用不同类型的经椎弓根内固定器提供实验依据。
- As a result, cervical lateral mass screws are generally smaller in length and diameter with starting points, which are medially aligned relative to thoracic pedicle screws. 当经前路融合超过3个节段时,推荐进行后路固定以减少前路植骨块脱出与不连接的发生风险。
- Objectie. Assess the clinical accuracy of computer-assisted fluoroscopy for the placement of thoracolumbar pedicle screws through a mature posterolateral fusion mass. 目的:评价计算机导航系统在**脊柱后路融合时胸腰椎椎弓根螺钉植入过程中的作用。
- As a result, cerical lateral mass screws are generally smaller in length and diameter with starting points, which are medially aligned relatie to thoracic pedicle screws. 因此,颈椎侧块螺钉与胸椎椎弓根螺钉相比,长度和直径较小,进钉点要更向中间靠近。