目的X线三维导航系统是近年出现的一项新的导航技术，其在骨科领域尚未得到广泛应用。
ObjectiveAs a new technique, X-ray three dimensional navigation system has not been applied in orthopedics widely.
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.
目的讨论应用红外线主动诱导计算机辅助三维导航系统进行脊柱外科复杂结构的手术以期提高手术安全性。
Objective to discuss application of initiative infrared ray computer assisted 3d navigation system in spinal complex operation to improve surgical safety.
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