1 Results:The phonatory and deglutitory function were good.

2 Searching for the methods of acoustic evaluation and phonatory detection has become the focused problem by doctors in otorhinolaryngology and speech pathology.

3 Objective:To reconstruct the laryngeal phonatory function under secondary total laryngectomy.

4 The anterior two third of glottis (phonatory portion), mucosa over the posterior commissure and the arytenoids muscle all remain intact.

5 By auscultation, the doctor can not only learn about the changes of the phonatory organ, but also infer the pathological changes of the internal organs.

6 Objective To find a way of reserving nomal high quality phonatory function after vocal cord surgery.

7 Along with the development of medical techniques, people are attaching more and more importance to how to retain and improve phonatory function of larynx.

8 Results Postoperatively, 90.7% of patients regained good swallowing function and 88.7% of patients remained phonatory function at the same time.

9 The methods and results of research are valuable to phonatory physiology, the diagnosis...

10 Objective To investigate the effects of sound intensity and frequency on phonatory stability.

11 Conclusion The complete resection of tumor, swallowing function reconstruction, phonatory function preservation and the prevention and treatment of complications were the key of operation success.

12 In order to study laryngeal phonic function, the methods of acoustic evaluation and phonatory detection has become the focused problem by doctors in otorhinolaryngology and speech pathology.