采用胎儿头盖作为充填材料行外耳骨壁、听骨链重建及乳突腔充填术治疗慢性化脓性中耳炎31例,并进行了15个月～25个月的随访观察。结果表明:所有患者术后均取得了满意结果,平均语言听力提高了22.5分贝(db),且无并发症。此类充填材料来源丰富,制备简单,便于临床推广应用。 31 cases of chronic suppurative otitis media were treated with fetal head cap as filling material and the ossicular chain reconstruction and mastoid cavity filling were performed. The follow-up observation was performed from 15 months to 25 months. The results showed that: All patients achieved satisfactory results after surgery, the average speech hearing increased 22.5 db, and no complications. Such a rich source of filling material, preparation is simple, easy to promote clinical application.