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NON-INVASIVE BREATHING ASSISTANCE APPARATUS AND METHOD
专利权人:
CAREFUSION 207; INC.
发明人:
Christopher M. VARGA,Geoffrey C. WISE
申请号:
US16390068
公开号:
US20190247603A1
申请日:
2019.04.22
申请国别(地区):
US
年份:
2019
代理人:
摘要:
An nCPAP device for assisting patient breathing includes a generator body forming an inlet, a chamber, and first and second flow circuits. The chamber directs pressurized gas from the inlet to the flow circuits. The flow circuits each include a nozzle, a channel, and at least one port. The nozzle emits a jet stream into the channel in a direction of a patient side thereof. The port fluidly connects the channel to ambient, and promotes entrainment of ambient air with the jet stream. In some embodiments, the channel forms a ramp feature directing exhaled air toward the jet stream in an angular fashion. The generator body requires reduced driving pressures to achieve target CPAP levels and reduces total imposed WOB as compared to conventional designs.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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