[Application of electronic larynx in speech rehabilitation after laryngectomy].
An electronic larynx has been developed at this center and used among laryngectomees for speaking rehabilitation. The phonation rate was 98% in 4,520 patients from all over the country. The frequency characteristics of the artificial larynx is close to that of human sound. Other advantages of the electronic larynx are: the best sound conducting point at the neck; natural phonation actions; and on/off switch synchronized with speaking attempts. The electronic larynx is easy to use and worth to be recommended as an alternative to surgical intervention in speech rehabilitation after laryngectomy.