摘要
目的探讨纳米羟基磷灰石/聚酰胺66(n-HA/PA66)复合人工椎体在胸腰椎骨折中的应用价值。方法自2003年12月至2005年3月,对21例胸腰椎骨折患者行胸腰椎前路椎体次全切除、椎管减压n-HA/PA66复合人工椎体植入、前路钉板内固定术。术后随访6～12个月。结果术后6个月复合人工椎体植骨融合率达100%,无内固定松动及螺钉断裂。结论n-HA/PA66复合人工椎体具有良好的生物相容性和生物安全性,植入融合率高,牢固可靠,避免了自体髂骨取骨,是理想的骨移植替代材料。
Objective To discuss the application of nano-hydroapatic crystals and polymide composite （n-HA/PA66） for artificial vertebrae in treating thoracic or lumbar vertebrae fractures. Methods A total of 21 cases suffering from thoracic or lumber vertebrae fractures were treated with deuto-total vertebrae resection via anterior approach, canalis vertebralis deboosted, artificial vertebrae composed by n - HA/PA66 implanted and fixed with XIA screw-stick system. The follow up lasted 6-12 months. Results The rate of bone graft fusion reached 100% , with no loosened internal fixation or breakage of screw or stick. Conclusions n-HA/PA66 for artificial vertebrae is the ideal substitute material for bone transplantation, for it has good biocompatibility, high security, high rate of bone graft fusion and firm fixation.
出处
《中华创伤杂志》
CAS
CSCD
北大核心
2005年第9期690-692,共3页
Chinese Journal of Trauma
基金
国家高技术研究发展计划资助项目(2002AA326020)
