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    • 2. 发明申请
    • Apparatus and method for mask free delivery of an inspired gas mixture and gas sampling
    • 用于无气体输送吸气混合气体和气体取样的装置和方法
    • US20070095347A1
    • 2007-05-03
    • US11640930
    • 2006-12-19
    • Samsun LampotangRandall Hickle
    • Samsun LampotangRandall Hickle
    • A61M16/00
    • A61B5/0836A61B5/097A61B5/6819A61M16/024A61M16/0666A61M16/0677A61M16/0683A61M16/0808A61M16/085A61M16/0858A61M2205/0216A61M2205/3375A61M2210/0618A61M2210/0625A61M2230/432A61M2230/437
    • Disclosed is an apparatus and method for the delivery of inspired gas, e.g., supplemental O2, to a person combined with gas sampling, including for the purpose of monitoring of the ventilation of the person. In the invention, the delivery of inspired gas and gas sampling are accomplished without the use of a sealed face mask. The apparatus of one embodiment of the present invention comprises an oxygen delivery device, nasal airway pressure sampling devices, optionally an oral airway pressure sampling device and at least one pressure analyzer connected to the sampling devices which determine the phase of the person's respiration cycle and the person's primary airway. The oxygen delivery device is connected to a controller such that it delivers a higher flow of oxygen to the person during the inhalation phase of the person's respiratory cycle. The invention thus increases end tidal oxygen concentrations. The invention further comprises carbon dioxide sampling tubes that continuously sample gas from two nasal sites and the mouth. The nasal sampling tubes are connected to a switching valve that is in turn connected to a capnometer which determines carbon dioxide concentration during exhalation. The oral gas sampling site is connected to a second capnometer.
    • 公开了一种用于将启发气体(例如补充O 2)输送到与气体取样相结合的人的装置和方法,包括用于监测人的通气的目的。 在本发明中,启动气体和气体取样的传送是在不使用密封面罩的情况下完成的。 本发明的一个实施例的装置包括氧气输送装置,鼻气道压力采样装置,可选的口腔气道压力采样装置和连接到采样装置的至少一个压力分析器,其确定人的呼吸循环的阶段, 人的主要气道。 氧气输送装置连接到控制器,使得其在人的呼吸循环的吸入阶段期间向人传递较高的氧气流。 因此,本发明增加了终端潮汐氧浓度。 本发明还包括二氧化碳取样管,其连续地从两个鼻部和嘴部取样气体。 鼻取样管连接到切换阀,该切换阀又连接到测量呼气中二氧化碳浓度的测压计。 口腔采气站连接到第二个测压仪。