Objective: to provide anatomical basis for the placement of lag screw in the acetabular anterior column.
目的：为髋臼前柱拉力螺钉内固定提供解剖学基础。
Objective: to provide anatomical basis for the placement of lag screw in the acetabular anterior column.
目的：为逆行髋臼后柱拉力螺钉内固定提供解剖学基础。
Conclusion: It is possible that retrograde lag screw fix the posterior column of the acetabulum clinically.
结论：髋臼后柱逆行拉力螺钉内固定是可行的。
Objective to provide the anatomic basis for the lag screw placement in the anterior column of the acetabulum.
目的为经髋臼前柱螺钉固定提供解剖学依据。
Objective: to provide anatomical basis for the placement of retrograde lag screw in the posterior column of acetabular.
目的：为逆行髋臼后柱拉力螺钉内固定提供解剖学基础。
Objective: To study the best entry points, direction and length of screw in acetabular anterior column lag screw technique.
目的：研究髋臼前柱拉力螺钉内固定技术中螺钉的最佳进钉点、方向和长度。
Objective To evaluate the effectiveness of lag screw internal fixation in treatment of condylar process fractures of the mandible.
目的对拉力螺钉内固定治疗髁状突骨折的效果进行评价。
Additionally, in complex proximal tibial fractures, comminution often extends posteriorly, further complicating stable lag screw fixation.
另外，在复杂的胫骨平台骨折，骨折粉碎可以延伸至后侧，不利于稳定螺钉的固定。
Placement of an anteroposterior lag screw can also be complicated by screw traffic if there are a large number of screws fixing the primary fracture.
如果对骨折进行大量前后位固定的话，螺钉的位置安置也是问题。
Objective To investigate the possibility of percutaneous cannulated lag screw fixation for treatment the injury of sacroiliac joint union under CT-guided.
目的探讨在CT引导下经皮微创技术置入松质骨拉力螺钉内固定治疗骶髂关节复合体损伤的可行性。
Objective To investigate direct bone graft repair with lag screw and tension band fixation technique and its value for the treatment of adolescence spondylolysis.
目的探讨青少年下腰椎峡部裂的治疗中直接峡部植骨修复拉力螺钉张力带固定手术方法及其价值。
The reasons of internal fixation failure were nonanatomically reduction of fractures, unrigid interal fixation, over early weight bearing and poor placement of lag screw.
内固定失败原因是术中骨折未解剖复位、内固定不坚强、过早完全负重以及拉力螺钉位置不良。
Conclusion Lag screw internal fixation method to treat condylar process fractures of the mandible can restore the anatomic contour and physiological function of condylar process.
结论拉力螺钉复位内固定治疗髁突骨折可以及时恢复髁状突解剖形态、生理功能，方法简便可行。
Conclusions: acetabular anterior column lag screw technique has advantages such as low trauma, high strength of fixation, when being applied in some types of acetabular fractures.
结论：髋臼前柱拉力螺钉技术具有创伤小、固定强度大等优点，在某些髋臼骨折中应用具有明显的优势。
Objective to investigate a special optimized technique for computer aided measure, and provide an anatomical basis for the placement of lag screw in the posterior column of the acetabulum.
目的研究专门的最优化计算机辅助解剖测量技术，为髋臼后柱拉力螺钉内固定提供解剖学基础。
As it is mentioned in many studies that one major advantage of the backward sliding mechanism of lag screw is controlled compression of fracture with weight bearing which helps in healing of fracture.
正如多数研究所提到的拉力螺钉的一个主要优点是反向滑动机制，能在负重条件下对骨折施加控制性加压，促进骨折的愈合。
Optical fiber winding was a important technique in optical fiber guided missile, and lag Angle controlled by lead screw subsystem was a key factor in optical fiber precise winding.
光纤自动精密缠绕是导弹光纤制导中的一项重要技术，其中滞后角是光纤精密缠绕中的关键因素，滞后角的控制是通过丝杠子系统来完成的。
Optical fiber winding was a important technique in optical fiber guided missile, and lag Angle controlled by lead screw subsystem was a key factor in optical fiber precise winding.
光纤自动精密缠绕是导弹光纤制导中的一项重要技术，其中滞后角是光纤精密缠绕中的关键因素，滞后角的控制是通过丝杠子系统来完成的。
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