腭裂手术之后及一些先天性软腭过短的病例,由于软腭过短,影响腭裂闭合,发音时不能使口咽腔与鼻咽腔相隔,致发音不清并有浓重的鼻音,对此以往都采用咽后壁组织瓣,使软腭和咽后壁瓣间有一管状组织相连,发音时帮助软腭后移,完成腭咽闭合的动作, Cleft palate surgery and some cases of congenital soft palate is too short, because the soft palate is too short, affecting the cleft palate closed, the speech can not make the oropharyngeal cavity and nasopharyngeal cavity separated, resulting in unclear pronunciation and a strong nasal tone, which are used in the past Posterior pharyngeal wall tissue flap, the soft palate and posterior pharyngeal wall between a tubular tissue connected to help articulate the back of the soft palate to complete the velopharyngeal closure of the action,