针对组织工程中急需具有适当尺寸的孔隙及孔隙率结构的多孔支架的问题,引入了目前正在飞速发展的快速成型(RP)技术.应用该技术可以在短时间内制造出既有精确解剖学形态,又具有适当尺寸的孔隙及孔隙率的三维立体结构支架.它可以控制载体支架材料内部微孔的数量、大小、分布及形状,从而给细胞的生存提供最适宜的空间和营养条件.对多孔支架的快速成型进行了综述并对其应用前景进行了展望.
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