Toeg A, Pratt G, Brown A E
Department of Maxillofacial Surgery, Queen Victoria Hospital, East Grinstead, West Sussex, UK.
Br J Oral Maxillofac Surg. 1997 Oct;35(5):370-2. doi: 10.1016/s0266-4356(97)90413-7.
Complete obturation of the nasopharynx can cause functional problems with breathing and swallowing due to obstruction of the nasal airway. A technique is described whereby a one way valve was incorporated in an obturator to allow normal nasal inspiration whilst maintaining an oropharyngeal seal during swallowing and speech.
鼻咽部完全堵塞可因鼻气道阻塞导致呼吸和吞咽功能问题。本文描述了一种技术，即在闭塞器中安装单向阀，以在吞咽和说话时保持口咽密封的同时允许正常的鼻吸气。
