Methods:A biodegradable absorptable membrane for the prevention of postsurgical adhesion was prepared from chitosan,a novel,natural and biocogic macromolecular matirial.

• 方法:采用新型天然生物材料壳聚糖,并通过动物植入实验研究其生物降解性,经组织学光镜观察其组织相容性。