目的探讨外伤性寰椎横韧带断裂治疗策略。
Objective To discuss surgical treatment strategy of traumatic disruption of transverse atlantal ligament.
结果：取得了寰椎和枢椎各种径线的长度数据。
Results: The length of various diameter of atlas and epistropheus were measured and a lot of date were obtained.
寰椎，第一颈椎脖子上的第一颈椎，支持头颅。
The top or first cervical vertebra of the neck, which supports the skull.
目的探讨陈旧性寰椎横韧带断裂的后路手术治疗。
Objective To explore surgical treatment via posterior approach for old disruption of transverse ligament of atlas.
目的：探讨创伤性寰椎横韧带断裂的诊断和治疗。
Objective: To delineate diagnosis and treatment of traumatic transverse atlantal ligament disruption.
目的：为临床、科研提供寰椎椎动脉沟的解剖学资料。
Objective: to provide anatomical data of vertebral artery groove for clinical?
目的：通过动物实验研究寰椎椎动脉沟环对脑血供的影响。
Objective: To investigate the changes of the rate and the volume of blood flow of vertebral artery by the foramen arch of atlas.
目的：评价两种寰椎侧块螺钉内固定技术的生物力学稳定性。
Objectives: To evaluate the biomechanical stability of two C1 lateral mass screw fixation techniques.
颈椎MRI椎动脉造影可显示寰椎侧移和旋转对椎动脉的影响；
The cervical MRI vertebral arteriography could display the effect of side displacement and rotation of lateral masses of atlas on vertebral artery.
后路寰椎螺钉固定包括寰椎侧块螺钉和寰椎后弓侧块螺钉固定。
Posterior screw fixation on atlas includes posterior screw fixation within lateral mass of atlas and in atlas via posterior arch and lateral mass.
结论：制作的实验模型与临床寰椎枕化畸形的生物力学特性相符。
Conclusion: The biomechanical characteristics of the model in this study is conformed with that of clinical occipitalization.
目的评估经寰椎后弓侧块螺钉固定应用于上颈椎损伤的价值和作用。
Objective To evaluate the effectiveness of internal fixation via the posterior bow side mass of atlas for the treatment of the upper cervical spine injuries.
结果得出了椎动脉沟半距、椎弓、寰椎前后结节等结构的测量数据。
Result Obtaining the data of the radius of arterial groove vertebral arch, the tuberculum posterius and anterior altantis .
寰椎侧块螺钉与枢椎椎弓根螺钉徒手植入技术简单、可靠，值得推广。
The technique of free hand insertion with the lateral mass screw of atlas and vertebra dentata pedicle screw is simple, fixation is reliability and is well worth to spreading.
目的：为临床上行前路经枢椎体至寰椎侧块螺钉内固定提供实验依据。
Objective: To provide anatomical data for anterior approach screw fixation through C2 vertebral body to C1 lateral mass.
结果寰椎异常旋转，其中，单纯旋转脱位5例，伴寰椎或枢椎骨折5 例；
Results Abnormal atlas rotation has been found in these cases, with 5 cases of simple luxation and 5 involoing atlas or axoid bone fracture;
结果：（1）寰椎后弓较纤弱，横截面呈扇形，内侧面从后上方向内下方倾斜；
Results: (1) The posterior arch of atlas was thin with a fan-shape section, whose inner plane descended from back to inside.
结论：用枢椎下关节突中点作为术中判定寰椎椎弓根螺钉进钉点的方法准确可靠。
Conclusions: the method that using the central point of C2 inferior articular process as a key anatomic landmark for determining the enter point of C1 pedicle screws is accurate and reliable.
目的；为了研究人类寰椎的生物力学特性和描述不同速度力量作用于骨折类型的影响。
Objective. To investigate the biomechanical characteristics of the human atlas and to describe the influence of different speeds of force impact on the fracture types.
目的；为了研究人类寰椎的生物力学特性和描述不同速度力量作用于骨折类型的影响。
To investigate the biomechanical characteristics of the human atlas and to describe the influence of different speeds of force impact on the fracture types.
作者报道一例罕见的肢端肥大症出现单侧寰椎关节肥大，导致脊髓受压和进行性四肢轻瘫。
The authors report an extremely rare case of a patient with acromegaly who had unilateral enlargement of an atlas facet resulting in cord compression and progressive quadriparesis.
方法：用电子游标卡尺和量角器对40例干燥寰椎标本测量与进钉技术相关的解剖学数据。
Method:40dry atlas specimens were used to measure anatomic data relative to screw placement technique with an electronic digital caliper and a goniometer.
实施寰椎后弓侧块螺钉固定术之前，需要对寰椎横断面ct等进行测量，确定置钉的安全区域。
It is necessary to confirm the safe area by using axial CT of Atlas before screw fixation.
目的采用有限元方法，预测寰椎在不同位置条件下寰椎应力的分布，并以此推断可能出现的寰椎骨折类型。
Objective to predict the stress distribution of atlas under different pre-trauma postures by finite element method, and to deduce the sites of atlas fracture accordingly.
结果测量出寰椎后弓、侧块、椎动脉沟、后弓侧块螺钉通道的轴线长度，及后弓进钉点和进钉方向等参数。
Result the parameters of posterior arch, lateral mass, vertebral artery groove, axis length of screw pass via posterior arch and lateral mass, projection and direction of screw were measured.
术中应用经后路通用脊柱椎弓根钉棒矫形固定系统固定，同时在寰椎后弓和枢椎椎板间大量髂骨植骨融合。
Intraoperative posterior approach general spine pedicle screw-rod orthopaedics fixation system used and iliac bone block were implanted in space of posterior atlantal arch and axial vertebral plate.
寰枢外侧关节面在矢状面上倾斜，枕骨髁、寰椎、枢椎关节发育不对称，可能是导致寰枢椎脱位的另外原因。
The lateral atlantoaxial joint surface is tilted in the sagittal plane or occipito-atlanto-axial joints are asymmetric. Each of the case may result in atlantoaxial dislocation.
目的探讨寰椎椎弓根螺钉的置钉方法。方法以电子游标卡尺测量48具干燥寰椎标本的相关解剖学数据；
Objective To improve the method of atlas pedicle screw fixation. Methods The anatomic data related to pedicle screw fixation were measured on 48 dry atlas specimens with an electronic caliper.
目的评价CT重建技术在寰枢椎病变诊断及治疗观察中的应用。
Purpose To evaluate the clinical usefulness of CT multiplan reconstruction in the atlas and axis disease.
目的：设计一种复位固定一体化的新型寰枢椎复位内固定器，并探讨其可行性。
Objective: to design a new device of atlantoaxial reduction and the internal fixation and explore its applied feasibility.
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