换药在外科治疗中占着重要地位,换药的好坏,直接影响着伤口的愈合,因此如何做好这项工作是值得研究的。现将本人的点滴体会介绍如下。(一)注意引流通畅:在换药中应特别注意膿液的引流问题,引流畅通与否直接关系到预后。例如,有一位女性患者,左手拇指红、肿、疼痛已四天,来门诊治疗。诊断为左手拇指瘭疽。给切开引流,换药一周后症状未见消退。后来发现引流不通畅,又进行 Dressing plays an important role in the surgical treatment, dressing change is good or bad, directly affects the wound healing, so how to do this work is worth studying. Now my personal experience described below. (A) pay attention to patency: dressing should pay special attention to the drainage of pus, drainage or not directly related to the prognosis. For example, in a female patient, his left thumb had red, swollen, and painful appearances for four days. Diagnosis of left thumb ulcer. To incision and drainage, dressing a week after the symptoms have not subsided. Later found that drainage is not smooth, but also