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Middle ear ventilation tube
专利权人:
Hasan M. Sh. Sh. Alshemari
发明人:
Hasan M. Sh. Sh. Alshemari
申请号:
US13633777
公开号:
US08480611B1
申请日:
2012.10.02
申请国别(地区):
US
年份:
2013
代理人:
摘要:
The middle ear ventilation tube is a drainage tube for placement through an opening formed through the tympanic membrane to drain fluid from the middle ear to the ear canal or outer ear. The middle ear ventilation tube includes a hollow, substantially cylindrical tube having axially opposed first and second open ends and a pair of diametrically opposed lateral drainage openings adjacent the first open end, thereby providing the tube with three drainage openings (the axial open first end and the two lateral openings). An annular flange is formed about the second open end and extends outwardly therefrom. In use, the tube is inserted through an opening formed through the tympanic membrane of a patients ear so that the annular flange is positioned against the tympanic membrane within the middle ear, and the first open end and the pair of diametrically-opposed openings are positioned within the patients car canal.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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