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System and method for providing a pressurized flow of breathable gas to the airway of a subject with stochastic fluctuations
System and method for providing a pressurized flow of breathable gas to the airway of a subject with stochastic fluctuations
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机译:用于以随机波动向受试者的气道提供加压的呼吸气体流的系统和方法
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摘要
A pressurized flow of breathable gas is delivered to the airway of a subject to facilitate respiration by the subject. To enhance the effectiveness of the pressurized flow of breathable gas stochastic fluctuations in the level of pressure at or near the airway of the subject are created. These stochastic fluctuations mimic similar oscillations present in so called "bubble CPAP" systems. Since these stochastic fluctuations are intended to maintain the openness of the airway of the subject and not to drive ventilation these fluctuations tend to have a higher frequency and/or lower magnitude than changes in pressure that drive ventilation.
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