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Phonation valve for laryngectomy patients
Phonation valve for laryngectomy patients
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机译:喉切除患者的声门瓣
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摘要
A phonation valve (6) is used on patients who have undergone a total laryngectomy operation, capable of restoring respiration and phonation which is very similar to normal, incorporating in practice the function of deglutition, laryngopharyngial phonation and respiration, eliminating the absolute need for a tracheostoma for respiration.
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