结论：在以上提到的大部分组群中，导航对于椎弓根螺钉置钉确实能提供一个较高的准确性。
Conclusions. Navigation does indeed provide a higher accuracy in the placement of pedicle screws for most of the subgroups presented.
此外，椎弓根螺钉方式较经钉钩固定和混合结构方式在纠正脊柱侧凸上有更好的优势。
In addition, pedicle screw constructs appear to have a better ability to correct scoliosis in comparison with hooks and hybrid constructs.
目的：本研究目的是调查置钉位置不当引起医源性椎弓根壁穿破对胸椎椎弓根螺钉平均拔出力的影响。
Object: The object of this study was to investigate the effects of iatrogenic pedicle perforations from screw misplacement on the mean pullout strength of thoracic pedicle screws.
介绍了一种新型医用颈椎椎弓根螺钉置钉定位系统。
A new medical position system being used for cervical pedicle for screw placement is introduced.
背景资料概述：由于安全性的关系，使得人们对椎弓根螺钉置钉的准确性和精确度有着特殊的兴趣。
Summary of Background Data. Safety concerns have driven specific interests in the accuracy and precision of pedicle screw placement.
结论：手持式颈椎椎弓根螺钉置钉瞄准器可提高置钉的准确性和安全性，有临床应用前景。
Conclusion: Using the manual aiming device for the cervical pedicle for screw placement can improve the accuracy and safety during operation, and this device can be applied and popularized clinically.
目的探讨计算机CT三维导航系统辅助下进行颈椎椎弓根螺钉内固定的可行性和置钉精确性。
Objective To evaluate the feasibility and accuracy of cervical pedicle screw fixation when assisted by CT-based navigation system.
实验目的：本文目的基于进行下颈椎椎弓根的相关经线及角度测量，定位更准确的椎弓根进钉点、置钉方向，为成功应用经颈椎椎弓根螺钉技术提供必要信息。
Objective: to go to more exact point and direction during the screw fixation make sure to insert screw successfully by measuring the dimension of the lower cervical spine pedicle.
目的：以徒手克氏针加叩击法制备胸椎椎弓根钉道，观察螺钉置入的准确性及置入后与宿主的组织相容性反应。
OBJECTIVE: to observe the methods and results of screw insertion and histocompatibility of host using Kirschner wire plus tapping technique.
结论：个体化导航模板辅助胸椎椎弓根螺钉置入的置钉准确率高，安全、可行。
Conclusion: Thoracic transpedicular screw placement assisted by patient-specific navigational template is safe and reliable.
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.
结论：术前ct扫描椎弓根引导胸腰椎椎弓根螺钉的置入是一个较好的改良方法，能有效降低不良置钉率。
Conclusion: the improved screw-setting technique of the lumber-thoracic pedicle by the preoperative ct scanning is a good method, it can effectively descend the ratio of bad screw.
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.
目的探讨“漏斗技术”置入胸腰椎椎弓根螺钉的准确性并探讨其置钉方法。
Objective To evaluate the accuracy and method of pedicle screw implantation in the thoracic and lumbar spine by funnel technique.
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.
提示管道疏通法在经颈后路椎弓根螺钉内固定常规置钉法中优势明显。
It is indicated that pipeline dredge method is superior to vertebral plate partial resection screw place method and Abumi screw place method in posterior pedicle screw fixation.
提示管道疏通法在经颈后路椎弓根螺钉内固定常规置钉法中优势明显。
It is indicated that pipeline dredge method is superior to vertebral plate partial resection screw place method and Abumi screw place method in posterior pedicle screw fixation.
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