生物可降解材料包括天然可降解材料和人工合成可降解材料，由它们制成的产品应用于人体后可逐渐被降解吸收。本文综述了部分已应用于临床的生物可降解材料的特性、种类和应用现状，其中包括甲壳素、胶原蛋白、细菌纤维素、聚羟基丁酸酯、聚乳酸、聚乙醇酸、聚对二氧环己酮和聚丁二酸丁二醇酯及磷酸钙，并对相关的需要解决的问题进行了讨论。总之生物可降解材料所具有的理化结构和降解特性决定其运用于医用产品将会发挥有益的治疗作用，尽管目前只在有限范围应用，在实际应用时也存在一些问题，但生物可降解材料将会有广阔的应用前景。

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