Objective : to search for a novel technique on fabricating poly ( lactide - co - glycolide ) copolymer foamy scaffolds that have better three - dimensional microstructure and suit for tissue engineering usage as matrix material 目的尝试使用一种新型工艺制作三维结构良好的泡沫状plga支架，构建符合骨组织工程需要的基质材料。
