首页> 中文期刊> 《中国组织工程研究》 >腰椎植入物应用于退变性腰椎滑脱:生物相容性评价

腰椎植入物应用于退变性腰椎滑脱:生物相容性评价

         

摘要

背景:脊柱内固定物被广泛用于退变性腰椎滑脱症的治疗,其目的是利于腰椎融合、重建腰椎矢状位序列、解除脊髓或神经根的压迫.目的:综述腰椎植入物应用于退变性腰椎滑脱症的生物相容性.方法:应用计算机检索2000年1月至2015年1月PubMed数据库和中国期刊全文数据库数据库,在标题和摘要中以"生物相容性,内植物,退变性腰椎滑脱;biocompatibility,Degenerative lumbar spondylolisthesis, Implant"为检索词进行检索.结果与结论:目前常用的腰椎内植入物为椎弓根螺钉与椎间融合器.椎间融合器主要包括生物型椎间融合器、金属型椎间融合器、复合材料型椎间融合器及可吸收行椎间融合器.不同材料的内固定植入物具有不同的生物相容性,同时也具有不同的稳定性.随着仿生学、3D打印技术、生物力学、材料学的发展,腰椎植入物将具有更好的生物相容性、更好的骨替代能力、更好的生物力学特性.%BACKGROUND:Spinal internal fixation is widely used in the treatment of lumbar spondylolisthesis, with the purpose of lumbar fusion, reconstruction of lumbar sagittal sequences, relieving spinal cord or nerve root compression. OBJECTIVE:To review the biocompatibility of lumbar spinal implants applied in the treatment of degenerative lumbar spondylolisthesis. METHODS:A computer-based retrieval of PubMed and CNKI was performed for relevant articles published from January 2000 to January 2015. The keywords were "biocompatibility, degenerative lumbar spondylolisthesis, implant" in English and Chinese, respectively, which appeared in the title and abstract. RESULTS AND CONCLUSION:Lumbar spinal implants commonly used include pedicle screws and interbody fusion cages. The fusion cages are mainly classified as biological fusion cage, metal fusion cage, composite fusion cage and absorbable fusion cage. Internal fixation implants made of different materials have different biocompatibilities, but also develop different stabilities. With the development of bionics, 3D printing technology, biomechanics and materials science, lumbar spinal implants wil have better biocompatibility, bone substitute capability and biomechanical properties.

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