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发明名称
TRACHEOTOMY DEVICE
摘要
A removable housing, fitting on a tracheotomy tube, includes an upright, flat type valve for freely and easily opening and closing the tracheotomy tube during breathing and physical exertions by the patient.
申请公布号
US3844290(A)
申请公布日期
1974.10.29
申请号
US19720273361
申请日期
1972.07.20
申请人
BIRCH A,US;BROWN D,US
发明人
BROWN D,US;BIRCH A,US
分类号
A61M16/04;(IPC1-7):A61M25/00
主分类号
A61M16/04
代理机构
代理人
主权项
地址
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