Sponge-type wound dressing applied to nasal cavity and preparation method thereof

摘要

The present invention is (a) hydrophilic polyurethane 80 to 90% by weight; (b) 0.1 to 10% by weight of a dicarboxylic acid or a dicarboxylic anhydride; (c) 0.5 to 15% by weight of a polyether-based polyol; And (d) water-soluble polysaccharide 0.1 to 5% by weight; relates to a sponge-type wound dressing for the nasal cavity comprising a. The sponge-type wound dressing for nasal cavity according to the present invention is easy to handle when inserted into the nasal cavity after nasal surgery, promotes wound healing while enhancing the initial hemostatic effect, and at the same time prevents adhesions, and also causes pain or bleeding when removed I never do that.