采用有机泡沫浸渍法和注浆成型法分别制备了网孔和球孔结构的羟基磷灰石多孔陶瓷;观察比较了2种多孔体的孔结构,系统地研究了2种孔结构的羟基磷灰石多孔体孔隙率和压缩强度的关系,并进行了体外模拟试验.结果表明:球形孔结构的HA多孔体有较好的抗压缩强度,其中,孔径为200μm,孔隙率为65%的支架其压缩强度可达8MPa左右.体外模拟实验表明2种孔结构羟基磷灰石(HA)支架均有利于细胞的生长.
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