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BREATHING PROTECTOR
专利权人:
发明人:
Bill Hesselmar,Jan-Ove Persson
申请号:
US15027982
公开号:
US20160256649A1
申请日:
2014.10.06
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A breathing protector to be fitted in a tracheostoma is disclosed. The breathing protector comprises a housing with a distal part and a proximal part, a first opening at a distal end of the distal part, and a second opening at the proximal end of the breathing protector. A valve flap is arranged at the first opening to closingly engage with a valve seat circumferentially of the first opening. The valve flap and the valve seat create a main valve being in an open position during inhalation and in a closed position during normal vegetative exhalation through the breathing protector. A spring member spring biasing the distal part in relation to the proximal part is comprised in the breathing protector to create a relief valve, being in a closed position during normal vegetative exhalation and transiting into an open position when the pressure in the trachea and thus the breathing protector exceeds a threshold value corresponding to a discomforting high pressure in the trachea.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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