查询词典 odontoid

Methods Anterior internal fixation with compressive cannulated screw was done in 24 patients with odontoid fractures from April 2004 to March 2007, including 13 patients of type Ⅱ fractures and 11 type Ⅲ.

方法从2004年4月至2007年3月应用颈前路中空加压螺钉内固定治疗齿状突骨折24例，其中Ⅱ型13例，Ⅲ例11例。

Objective To find a method for treatment of type Ⅱ odontoid fracture with direct screw internal fixation by clinical anatomical measure and biomechanical test.

摘 要：目的通过临床解剖测量和生物力学试验，探讨齿状突Ⅱ型骨折直接螺丝钉内固定的方法。

Odontoid fracture ; Spinal cord ; Lesion ; Clinical study

齿状突骨折；脊髓；损伤；临床研究

The influence of variation of measured distance over pins in new typed odontoid chain sprocket upon its meshing characteristics and relations of modification coefficients of sprocket have been studied.

研究了新型齿形链链轮量柱测量距的变化对其啮合特性的影响，以及量柱测量距与链轮变位系数的关系。

All of them were diagnosed correctly,and were demonstrated well, which appeared as interrupted continuity of the bone,rotation of atlantoaxial joint,or widened of odontoid process anterior diastema.

寰枢椎损伤的多层螺旋CT扫描和三维重建，能更好显示骨折的情况，可作为上颈椎损伤临床诊断和治疗影像学的首选方法。

Methods The ligamentous, nonlinear, three-dimensional finite element models of normal upper cervical spine (C0-C3) and type II odontoid fracture were developed and validated.

方法建立具有详细解剖结构的上颈椎(C0-C3)及寰枢椎不稳定的有限元模型并验证其有效性。

The position of the maximum principal stress occurred in odontoid. The position of the maximum Von Mises stress occurred in C3-4 and C7-T1 except at -15° angle with helmet.

椎间盘最大的Von Mises应值，除撞击角-15°有佩带安全帽时发生在C7-T1处，其他的情况则发生在C3-4的地方。

There were 47 cases of odontoid process fracture (38 cases with fresh fractures, 9 cases with timeworn fractures),45 cases of Hangman fracture （28 cases with fresh fractures, 17 cases with timeworn fractures）, 24 cases of torn transverse ligament of atlas, 23 cases of congenital deformity, 19 cases of unilateral fracture of vertebral arch of atlas, 17 cases of rheumatoid arthritis, 9 cases of unilateral fracture of articular process, 3 cases of Jefferson fracture with chronic instability, 4 cases of spinal tumor.

临床诊断；齿突骨折47例，其中新鲜骨折38例，陈旧性骨折9例，Hangman骨折45例，其中新鲜骨折28例，陈旧性骨折17例，寰椎横韧带断裂24例，先天畸形23例，寰椎单侧椎弓骨折19例，类风湿性关节炎17例，一侧关节凸骨折9例， Jefferson骨折并慢性不稳3例，肿瘤4例。

The huge interarticular contact force of artificial atlanto-odontoid joint at shear and flexion/extension will bring about abrasion, mobilization and destruction of bone or prosthesis. There is potential instability in rotation after replacement operation.

人工寰齿关节置换术后前后向剪切和屈伸运动时人工寰齿关节间的接触应力过大，易造成磨损、引起假体松动和骨或假体的破坏；并且潜在旋转不稳的趋势。

And then the occipitocervical fusion, Brook-Jenkin atlantoaxial fusion, odontoid process compressive screw and vertebral double screws fixture were performed according to different fractures or dislocations.

交通事故伤30例，高处坠落伤6例。临床均有颈部疼痛、活动受限。有不同程度神经受压症状与体征者25例。根据损伤类型，分别采用枕颈框架植骨融合术，Brook-Jenkin寰枢椎融合术，齿状突直接加压螺钉内固定术，前路椎体双螺钉固定术。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。