医用敷料是临床处理伤口的一个关键因素、传统敷料主要作用是覆盖伤口，预防伤口感染、进入21世纪，现代医用敷料逐渐替代了传统敷料、与传统敷料相比，现代敷料具有能抵御伤口受利机械因素(如损伤、碰撞、炎症等)损害，污染和化学刺激击，防止伤口潮湿或过度十燥，预防伤口二度感染；极大地减少电解质及能量丢失，对伤口实行全面保护；能通过主动影响伤口愈合过程，创造利于伤口愈合的微环境。近年来壳聚糖作为现代医用敷料的应用受到高度重视，壳聚糖及其衍生物活合用于伤口敷料，具有低成本，使用方便，加谏伤口愈合等作用。% Dressinffs assume a key' constituent in treatinff wounds. Traditional ciressinffs were prepared mainly' I'or coverinffthe wounds and preventinff inflammation. Recently,the traditional ciressinffs were phased-out h}' modern ones. (:ompareci tothe traditional ciressinffs,the modern interactive ciressinffs can withstand mechanical factors such as the ciamaffe,collision,inflammation, etc.,pollution and chemical stimulation. They' can also prevent the wounds from turninff excessively' wet oxexcessively' dry,deter secondary' infection in wounds,ffreatl}' reduce the loss oI' electrol}'tes and enerff},provide acomprehensive protection I'or the wounds, actively' exercise influence ciurinff the process oI' wound healinff, and thus create amicro-environment I'riendl}' to wound healinff. Over the past I'ew Fears,chitosan as a modern ciressinff received unprecedented attention. The literature aII'irmeci that chitosan and its derivatives were applicahle as wound ciressinffs I'or its properties such as‘low cost’,‘easy' to use’,and‘accelerate wound healinff’.Chitosan and its derivatives as wound ciressinffs have potential uses.
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