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RESPIRATION SYSTEM
专利权人:
Ralf HEESCH
发明人:
Ralf HEESCH,Henryk SCHNAARS
申请号:
US13359821
公开号:
US20130025595A1
申请日:
2012.01.27
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A respiration system feeds an anesthetic gas having, a density ρgas, with a Y-piece for connection to a patient, with a respiration circuit having an inspiration branch and an expiration branch, which extend away from the Y-piece. A first supply line from a branch in the expiration branch leads to an anesthetic gas discharge valve and a second supply line from the branch leads to a reservoir. A too high pressure, opposing expiration, cannot build up in the expiration branch and losses of anesthetic gas are kept to a minimum. A prestressing device exerts a prestressing force onto the valve body of the anesthetic gas discharge valve against the effect of gravity. The mass mvalve and the prestressing force determine a threshold pressure in the anesthetic gas discharge line that results in an opening of the anesthetic gas discharge valve.
来源网站:
中国工程科技知识中心
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