胸腰椎骨折；椎弓根螺钉固定术；折断。
骨质疏松一直被列为椎弓根螺钉固定的禁忌症。
Osteoporosis is often cited as a contraindication for pedicle screw fixation.
目的评价内锥及外锥形椎弓根螺钉固定的生物力学特点。
Objective To evaluate two types of pedicle screw fixation strength.
背景数据概述：椎弓根螺钉固定的稳定性取决于几个因素。
Summary of Background Data. Fixation stability of pedicle screws depend on several factors.
磷酸钙骨水泥强化松动椎弓根螺钉固定的生物力学测试结果。
Biomechanical testing results of CPC in the reinforcement of loose vertebral pedicle screw fixation.
目的：从生物力学方面评价磷酸钙骨水泥对椎弓根螺钉固定的强化作用。
OBJECTIVE: To evaluate the reinforcing effect of CPC on vertebral pedicle screw fixation at biomechanical aspect.
背景知识概要：椎弓根螺钉固定已经成为治疗各种胸腰椎疾病的金标准。
Summary of Background Data. Transpedicular screw fixation has become the gold standard in the treatment of various thoracolumbar spinal conditions.
将骨重建结果与行椎弓根螺钉固定的患者预期的实验性骨矿含量进行比较。
Bone remodeling results were compared to prospective experimental bone mineral content data of patients operated on with pedicle screws.
目的提高应用椎弓根螺钉固定、椎体间融合术治疗腰椎退行性疾病的技术水平。
Objective To improve the surgical technique of PLIF in the treatment of lumber degenerative diseases.
目的本实验旨在从周期抗屈试验方面证实磷酸钙骨水泥对椎弓根螺钉固定的强化作用。
Objective To determine if calcium phosphate cement can enhance vertebral pedicle screw fixation in the osteoporotic spine through periodical anti-bending test.
结论：30%的行椎弓根螺钉固定后路融合术后延迟愈合病人两年后最终发生骨融合。
Conclusion. Bone union occurred more than 2 years after posterior fusion with PS in about 30% of patients with delayed union.
研究设计：在人体以有限元分析为基础的骨重建的研究已经被运用于椎弓根螺钉固定的腰椎手术。
Study Design. A finite element analysis-based bone remodeling study in human was conducted in the lumbar spine operated on with pedicle screws.
目的：建立人正常L3~L5节段三维有限元模型，分析腰椎单侧椎弓根螺钉固定融合的生物力学特性。
Objective:To construct a normal L3-L5 spinal segment model by using finite element method and investigate the biomechanical characteristics of unilateral pedicle screws fixation.
背景资料摘要：近来技术的进步使得椎弓根螺钉固定技术越来越微创化。但是，导航技术的使用仍然存在争议。
Summary and Background Data. Recent technical developments lead to a minimization of pedicle screw fixation techniques. However, the use of navigational techniques is still under controversy.
由于颈7的侧块比较薄，应用侧块螺钉固定是具有挑战性的，同时由于椎弓根比较狭窄也不宜使用椎弓根螺钉固定。
Lateral mass fixation at C-7 is challenging due to thin facets, and placing pedicle screws is difficult due to the narrow pedicles.
此外，椎弓根螺钉方式较经钉钩固定和混合结构方式在纠正脊柱侧凸上有更好的优势。
In addition, pedicle screw constructs appear to have a better ability to correct scoliosis in comparison with hooks and hybrid constructs.
目的：本研究的目的是评估3中C2固定技术（椎板内、狭部和椎弓根）的即时节段间固定效果和长期螺钉稳定性。
Objective. The aims of this project were to evaluate the acute segmental fixation and long-term screw stability afforded by 3 C2 fixation techniques: intralaminar, pars, and pedicle.
在椎弓根螺钉交替节段固定侧弯脊柱的情况下，我们对支点弯曲影像的预测值进行评估。
We assessed the predictive value of the fulcrum bending radiograph in the context of alternate-level pedicle screw fixation of the scoliotic spine.
本文主要侧重介绍椎弓根螺钉的置入，因为内固定正成为脊柱手术中越来越重要的一部分。
Because the internal fixation has become more and more important in spinal surgery, this paper focuses therefore on the pedicle screw placement in spinal surgery.
腰5骶1椎弓根螺钉伴双侧髂骨螺钉的使用于腰骶椎减压及部分复位术式减少了内固定失败率。
The use of transvertebral screws at the L5–S1level with bilateral iliac screws reduces the risk of instrumentation failure in a decompression and partial kyphosis reduction procedure.
总结胸腰椎经椎弓根螺钉内固定的手术配合措施。
Objective:It summarized operative coordination measures of patients undergoing thoracolumbar vertebral pedicle screw internal fixation.
侧块螺钉习惯上用于下位颈椎的固定，而椎弓根螺钉用于胸椎。
Lateral mass screws are traditionally used to fixate the subaxial cervical spine, while pedicle screws are used in the thoracic spine.
椎弓根螺钉内固定技术在脊柱外科，尤其在脊柱矫形中的应用越来越广泛。
Transpedicular screw fixation is used widely in spine surgery, especially in orthopedic surgery.
结论：微创经皮椎弓根螺钉内固定手术操作简便、安全可靠，具有创伤小、出血少、疼痛轻、恢复快、住院时间短等优点。
Conclusion: MIPPSO is safe for thoracolumbar fracture which has the advantages of simple manipulation, minimal trauma, less bleeding, light pain, quick recovery and short hospitalization time.
比较流行的新技术，比如颈椎椎弓根螺钉内固定或C1侧块螺钉内固定，同样有发生VAI的危险。
Popular new surgical techniques, such as cervical pedicle screw or C1 lateral mass screw fixation, also entail the potential risk of VAI.
螺钉的固定作用主要为关节突和椎弓根。
The fixed action of screw were articular process and pedicle mainly.
目的对X线透视下和计算机导航系统引导下颈椎椎弓根螺钉内固定的精确性进行对比研究。
Objective To evaluate the feasibility and accuracy of cervical spine pedicle screw fixation assisted by X-ray fluoroscopy and CT-based navigation system.
目的：为椎弓根内固定术选用螺钉直径提供解剖学资料。
Objective: to provide the anatomical data of screw diameter for the use of transpedicular screw fixation.
目的：为椎弓根内固定术选用螺钉直径提供解剖学资料。
Objective: to provide the anatomical data of screw diameter for the use of transpedicular screw fixation.
应用推荐