不伴有声带器质性病变的各种嗓音异常,如各种原因引起一侧或双侧声带麻痹、喉上神经麻痹或喉肌病变引起的声带张力不足、声调异常等.1990年以来我科通过手术治疗52例.手术方法包括甲状软骨成形各型手术和环甲关节拔动术,并将手术适应证及手术方法作了介绍,其中对某些术式如声带内移及声带拉紧术有所改进,使疗效更加巩固,并对各种手术方法的优缺点进行了讨论. Not associated with vocal cord organic lesions of various voice abnormalities, such as a variety of reasons caused by one or both vocal cord paralysis, laryngeal nerve paralysis or laryngopathy caused by insufficient vocal cord tension, abnormal tone, etc. Since 1990, our department Surgical treatment of 52 cases. Surgical methods include various types of thyroid cartilage forming surgery and c-arm joint surgery, and surgical indications and surgical methods were introduced, including some of the surgical procedures such as vocal cord shift and tension band Have been improved to make the effect more consolidated, and discussed the advantages and disadvantages of various surgical methods.