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    • 7. 发明授权
    • Apparatus and method for providing high frequency variable pressure to a patient
    • 为患者提供高频可变压力的装置和方法
    • US06708690B1
    • 2004-03-23
    • US09652747
    • 2000-08-31
    • Bernie F. HeteMichael Bobeck
    • Bernie F. HeteMichael Bobeck
    • A61M1600
    • A61M16/0096
    • A high frequency pressure oscillation device and method of providing high frequency pressure oscillations to a patient. The device includes a patient circuit coupling a gas source to an airway of a patient, and a valve disposed in the patient circuit. The valve communicates the gas source with the patient's airway when in a first position and at least partially restricts communication when in a second position. A rotating drive assembly rotates the valve in a first direction such that the valve is alternatively disposed in the first and second positions. This system is capable of delivering positive and negative pressures to the airway of a patient by including a blower as the source of breathing gas. This system is also capable of superimposing a high frequency oscillating pressure signal on another pressure signal by adding a second blower in series with the first blower.
    • 一种向患者提供高频压力振荡的高频压力振荡装置和方法。 该装置包括将气体源连接到患者的气道的患者回路和设置在患者回路中的阀。 当处于第一位置时,阀将气体源与病人的气道连通,并且当处于第二位置时至少部分地限制通信。 旋转驱动组件使阀在第一方向旋转,使得阀交替地设置在第一和第二位置。 该系统能够通过包括作为呼吸气体源的鼓风机向患者的气道传递正压和负压。 该系统还能够通过与第一鼓风机串联的第二鼓风机将高频振荡压力信号叠加在另一压力信号上。