Method and apparatus for delivering a stable gas mixture to a patient
    1.
    发明授权
    Method and apparatus for delivering a stable gas mixture to a patient 失效
    将稳定的气体混合物输送给患者的方法和装置

    公开(公告)号:US5335653A

    公开(公告)日:1994-08-09

    申请号:US864606

    申请日:1992-04-07

    CPC classification number: A61M16/12 A61B5/083 A61M16/0627 A61M2230/432

    Abstract: A method and apparatus for delivering respiratory gases to a patient maintains a mixture of gases stable and minimizes the effects of ambient air leakage. Some of the gases supplied to a gas collection unit in which the patient's head is placed are by-passed to a buffer space that partially surrounds the gas collection unit. The volume of the buffer space stabilizes the mixture and outflow from the buffer space minimizes ambient air leakage into the gas collection unit. Gases from the gas collection unit are supplied to a measuring unit for analyzing the gas respired by the patient.

    Abstract translation: 用于将呼吸气体输送给患者的方法和装置维持气体混合物的稳定性并使环境空气泄漏的影响最小化。 供给到其中放置患者头部的气体收集单元的一些气体被旁路到部分地围绕气体收集单元的缓冲空间。 缓冲空间的体积使混合物和缓冲空间的流出稳定,使得气体收集单元中的环境空气泄漏最小化。 来自气体收集单元的气体被提供给用于分析由患者呼吸的气体的测量单元。

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