【摘要】 本文系统而全面地介绍了如何在临床上应用腭咽阻塞器治疗腭裂术后腭咽闭合不全（ＶＰＩ），腭咽阻塞器应用的适应证、制作过程、临床应用要点及可能出现的问题。并从机理上和临床角度阐明，腭咽阻塞器确能帮助恢复患者的正常语音，至少可以为Ⅱ期腭咽手术创造一些条件，提高手术的成功率。更多还原

【Abstract】 Abstract The obturator is a good and conservative method for treating cleft palate postsurgery velopharyngeal incompetence(VPI) and VPI caused by other reasons.The article comprehensively and systematically introduced how to use obturator to treat VPI clinically.What is the indication of the obturator,making procedure,clinical using main points and possible problems etc. From rationale and clinical stand point,author can tell that the obturator does help VPI patient to get normal voice.At least,it can help to enhence the success rate of secondary surgery. Of course, it requires several specialists willing to work together with cooperative children and their parents.更多还原