主题：椎弓 | 医源世界 关键词】 脊柱； 椎弓根螺钉； 螺钉植入； 个体化； 进钉点 [gap=1661]Key words：spine; pedicle screw; screw implant; individualized; enter point
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Objective To establish a simple method to define the entry point of atlas pedicle screw.
目的 建立简易可靠的寰椎后路椎弓根螺钉进钉点的定位技术。
参考来源 - 寰椎椎弓根螺钉进钉点的解剖定位研究·2,447,543篇论文数据，部分数据来源于NoteExpress
术前ct及三维重建评估寰枢椎椎弓根螺钉的进钉点、进钉方向等参数。
The parameters were assessed by preoperative ct and three-dimensional reconstruction such the entry point and Angle of atlantoaxial pedicle screws.
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 study the best entry points, direction and length of screw in acetabular anterior column lag screw technique.
专门为肱骨近端骨折设计的锁定钢板为肱骨头内置钉设置了多种角度的进钉点。
Locked plates designed specifically for the proximal humerus have in common multiple fixed-angle points of fixation into the humeral head.
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