发明名称 Exhalation valve.
摘要 A mask is provided for the inhalation of medication, such as asthmatic medication. The mask is molded of a resilient plastic or rubber material and has a central through opening and includes an open front portion (22) adapted to receive an aerosolization chamber (20) which receives medication from a metered dose inhaler. A sidewall (26, 28) expands outwardly from the open front portion (22) and is adapted to fit sealingly on a face covering the mouth and nose. The sidewall (26, 28) is provided with an extension (32) to accommodate the nose. A one-way exhalation valve (34) is provided in the mask, preferably at the far end of the nose accommodating extension (32) for conveying exhaled air to the outside, and preventing entrance of outside air therethrough into said mask. <IMAGE>
申请公布号 ZA9308360(B) 申请公布日期 1994.10.27
申请号 ZA19930008360 申请日期 1993.11.09
申请人 CANADIAN MONAGHAN LTD. 发明人 MARTIN P FOLEY;ROBERT MORTON
分类号 A61M15/00;A61M16/06;A62B18/02 主分类号 A61M15/00
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