采用一种特殊的方法制备了孔径、孔隙率和孔形状可控的多孔羟基磷灰石骨水泥支架.材料的抗压强度可达4MPa,孔隙率可达70%,孔与孔之间互相贯通,大孔壁富含微孔.细胞在材料表面黏附铺展且增殖良好,体外模拟实验显示材料的降解速度随孔隙率的增加和Ca/P比的降低而加快,多孔支架有优良的生物降解性和生物相容性.该材料可用于修复骨组织缺损和作为支架材料用于组织工程.
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