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- Objective To evaluate the application and efficacy of direct anterior fixation of odontoid fractures with hollow screw. 目的评价颈前路中空螺钉内固定在治疗齿状突骨折中的应用及效果。
- As to the problems of bearing disable,the mend method on seal structure of the screw conveyer for powder materiel is put forward,and the applied effect is demonstrated. 针对粉状物料螺旋输送机轴承损坏问题,提出了轴承密封结构的改进措施,说明了改进后的应用效果。
- Methods From March 2001 to January 2006,13 patients with odontoid fractures were treated by direct anterior fixation with hollow screw. 方法对13例齿状突骨折的患者,在透视监视下行颈前路中空螺钉内固定术并分析其结果。
- Conclusion. The novel hollow screw was less resistant to loosening when compared with a conventional solid pedicle screw in this sacral model under cyclic loading. 结论：同常规实心椎弓根螺钉相比，在循环加载的骶骨模型中，新型空心螺钉反抗松动的能力更弱。
- Objective To observe therapeutic effects of percutaneous hollow screw orthotopic fixation on slipped epiphysis of femoral head and introduce this technique procedure. 目的探讨原位空心钉固定治疗股骨头骨骺滑脱的临床疗效。
- Upon analysis of the screw thread damage on the dismantling screw,new dismounting kit and hollow screw have been designed and made by the plant independently a. 针对这种情况,分析了拆卸螺杆上螺纹发生损坏的原因,自行设计制作了新的拆卸套具及空心螺杆,取得了很好的效果。
- differential gear for screw conveyer 螺旋输送机的差动装置
- Objective.To determine if a hollow screw would be more resistant to loosening than a solid pedicle screw when placed into the pedicles of S1 and tested under stair-cased cyclic loading. 目的：植入S1椎弓根并分级循环加载下测试，确定空心螺钉是否比实心椎弓根螺钉有更强的反抗松动能力。
- Methods Three cases of slipped epiphysis of femoral head were treated by using percutaneous hollow screw orthotopic fixation under C arm guide since 2002,and regular follow-up has been done. 方法自2002年起采用C型臂引导下原位空心钉固定技术治疗股骨头骨骺滑脱3例,并定期随访。
- double heads compressive hollow screw 双头加压空心螺钉
- Methods Twenty-four patients with odontoid process fractures were treated by anterior internal fixation with hollow screws under the monitor of X-ray. 方法24例齿状突骨折病人,在X线监测下施行颈前路空心螺钉内固定治疗,并分析结果。
- Keywords vertical screw conveyer dibasic calcium phosphate powder application; 垂直螺旋输送机;磷酸氢钙;粉体;应用;
- He hammered home the points he wanted to convey. 他把所要传达的重点讲得非常透彻。
- My letter will convey some idea of my mode of life. 我的信将使你了解到一些我的生活方式。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- Our team beat them hollow by four clear goals. 我们队以净胜4分彻底击败了他们。
- Please convey my good wishes to your mother. 请向您母亲转达我的祝愿。
- The brackets want an extra screw. 托架需要再加一个螺钉。
- The bell, when struck, gave forth a hollow sound. 敲这钟时发出一种闷哑的声音。
- His protests on human rights sound hollow. 他就人权问题提出的抗议听来很空洞。
