local infection wound

Local signs of wound infection consist of pain and tenderness, swelling, warmth, and erythema.

伤口感染的局部征象是疼痛，压痛，肿胀，发热，以及红斑。

The factors of failure were disturbance of local blood circulation, wound infection followed rib necrosis, T-tube injured mucomembrane then became a new stenosis, and restenosis for scar constitution.

局部皮肤血循环差（大剂量放射治疗后，反复多次手术局部瘢痕重） ，伤口感染软骨坏死排出，T形管损伤黏膜形成新的瘢痕狭窄和瘢痕体质。

AIM: to observe the local hemostasis, analgesia, anti-infection and healing effects of multifunctional wound dressing based on isobutyl-chitosan, which is derived from chitosan.

目的：观察以壳聚糖衍生物-异丁基壳聚糖为基质材料的多功能创面敷料的局部止血、镇痛、抗感染和促愈合作用。