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Objective Cervical hollow threaded fixator (CHTY)was designed and applied to stabilize tha cervical spine following anterior decompression due to cervical spondylosis or acute cervical disc herniation.Methods Medical use titanium alloy with no magnetism was made into a hollow threaded structure with holes on the wall of the fixator. Forly-two patients with cervical spondylosis and acute cervical disc herniation were stabilized using the CHTF technique after anterior decompression. X-ray films and CT scans were taken after the oberation to observe the stability ann fusion rate of the segments.Results Patients were allowed to walk one day after the operation and were followed up for 6 to 36 months.The operated segments were stable and solid fusion was observed 3-6 months after surgery.Conclusions Immediate stability of the operated segments can be obtained using the CHTF technique.Patients ware easy to manage after5 the operation and returned to their jobs in a short time.The CHTF technique is safe and simpa to perfoirme and eliminates the complications of an autograft.It may be an alternative to traditional cervical interbody fusion with bone graft.
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颈椎椎体间融合器的临床应用(附135例报告)
目的：观察比较3种颈椎椎体间融合器前路减压后椎体间融合的固定及融合效果。方法：采用BAK、CHTF和InterFix?3种颈椎椎体间融合器行颈椎病及颈椎间盘突出症前路减压后椎体间融合135例，其中BAK 65例，CHTF 42例，InterFix 技术28例。术后颈椎X线片及CT检查，观察手术椎节的稳定性和融合情况。结果：随访8～31月，施术节段稳定，3种颈椎椎体间融合器固定融合率无显著差异。结论：颈椎椎体间固定融合技术使施术椎节立即稳定，避免了自体植骨引起的并发症，可作为替代传统颈前路椎体间植骨融合术的方法之一。
