The adductor branch was anastomosed with the main branch of ansa cervicalis to reinnervate the vocal cord adductors in six dogs at the time ofdenervation and after varying intervals of chronic dcnervation.

• 建立单侧喉麻痹动物模型，实验组喉麻痹后不同时间作颈袢主支与喉返神经内收肌支的延期吻合术。