骨组织工程聚左旋乳酸多孔框架快速成形研究

来源 :清华大学学报 | 被引量 : 0次 | 上传用户:fengfeiyuren
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为制备用于骨组织工程的细胞载体框架结构,对快速成形技术制备聚左旋乳酸多孔框架结构的若干基础问题进行了研究.提出了聚左旋乳酸快速成形的精密挤出成形工艺,研究了此工艺制备多孔框架结构的设备与工艺过程,分析了制备的多孔框架结构应用于组织工程人工骨的可行性.制备的多孔框架结构具有合适的分子量、孔隙结构、孔隙率、机械强度和生物降解性能,可以用作骨组织工程的组织再生框架结构.
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