从上述结果可以看到本法研制的胶原海绵有良好的孔洞结构,是成纤维细胞,炎细胞侵润,以及毛细血管和肉牙组织长入的良好基质材料,可以作为人工真皮和人工皮的内层材料。胶原-聚氨酯复合膜不仅增强了胶原膜强度,而且对水份的蒸发,防止细菌进入具有较好的屏障功能[7,8],这类材料可望用于切痂或削痂植皮创面等。涂聚氨酯胶原膜和胶原纱布烧伤敷料,内层均有一薄层多孔胶原膜,与组织有良好的亲和性,容易粘附,无不良刺激,并具有一定的止血和减少渗出的作用;外层材料增强了胶原膜的抗张强度,对渗出较多的创面具有引流或蒸发排液的作用,这类材料可以考虑用于烧伤Ⅱ°和供皮区创面等。
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