Objective To evaluate the feasibility and accuracy of cervical spine pedicle screw fixation assisted by X-ray fluoroscopy and CT-based navigation system.
目的对X线透视下和计算机导航系统引导下颈椎椎弓根螺钉内固定的精确性进行对比研究。
Objective To evaluate the feasibility and accuracy of cervical pedicle screw fixation when assisted by CT-based navigation system.
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。
X-ray 3D-CT and navigation oval foramen locations were used in 42 cases intractable location so that the direction and position could be defined for trigeminal neuralgia.
同时对42例定位困难的三叉神经痛病人，在射频热凝治疗术中应用X线、三维CT或导航进行卵圆孔定位或在术中验证靶点。
Methods 159 pedicle screws inserted by CT-based navigation system and 145 cervical (C2-C7) pedicle screws inserted by X-ray fluoroscopy were observed by postoperative CT scan.
方法总结CT三维导航系统辅助下置入的159枚颈椎（C2-7）椎弓根螺钉，术后进行经椎弓根螺钉水平的CT平扫，观察椎弓根螺钉置入的精确性。
Virtual navigation system combines the advantages of US and CT, which has potential to solve the above-mentioned problems.
综合普通超声和CT 检查优势的虚拟导航技术能解决以上问题。
This paper introduces the theory and the arithmetic of 3d reconstruction from ct slices, and its application in the dental implantation navigation system.
文中介绍了CT图像三维重建的原理和算法，并给出在牙种植导航系统中的应用实例。
This paper introduces the theory and the arithmetic of 3d reconstruction from ct slices, and its application in the dental implantation navigation system.
文中介绍了CT图像三维重建的原理和算法，并给出在牙种植导航系统中的应用实例。
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