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热词
    • 9. 发明授权
    • Cardiac synchronous ventilation
    • 心脏同步通气
    • US5377671A
    • 1995-01-03
    • US760409
    • 1991-09-16
    • James W. BiondiDouglas M. JohnstonStephen J. Herman
    • James W. BiondiDouglas M. JohnstonStephen J. Herman
    • A61M16/00A61H31/00
    • A61M16/0051A61M2016/0027A61M2016/0033A61M2230/04
    • A method and apparatus for providing circulatory and respiratory assistance in a patient. The method includes the steps of determining the onset and duration of at least one portion of the cardiac cycle of the patient and increasing the intrathoracic pressure in the patient by introducing a volume of a respiratory gas into the lungs of the patient during the ventricular systolic portion of the cardiac cycle. The method includes reducing the intrathoracic pressure in the patient by extracting, under either subambient or substantially ambient respiratory gas pressure, a portion of the volume of the respiratory gas from the lungs of the patient, beginning during the diastolic portion of the same cardiac cycle. An apparatus for providing circulatory and respiratory assistance in a patient includes a processing device for determining the onset and duration of at least one portion of the cardiac cycle and a ventilation controller for increasing the intrathoracic pressure in the patient by introducing a volume of a respiratory gas into the lungs of the patient during the ventricular systolic portion of the patient's cardiac cycle and for reducing the intrathoracic pressure in the patient by extracting, under subambient or substantially ambient pressure, a portion of the volume of the respiratory gas from the lungs of the patient beginning during the diastolic portion of the same cardiac cycle.
    • 一种用于在患者体内提供循环和呼吸辅助的方法和装置。 该方法包括以下步骤:确定患者心脏周期的至少一部分的起始和持续时间,并且通过在心室收缩期内将一定体积的呼吸气体引入患者的肺部来增加患者的胸内压力 的心脏周期。 该方法包括通过在同一心脏周期的舒张期开始的患者的肺部的呼吸气体的一部分体积,在低于或大体上周围的呼吸气体压力的情况下,提取患者的胸内压力。 用于在患者中提供循环和呼吸辅助的装置包括用于确定心脏周期的至少一部分的起始和持续时间的处理装置和用于通过引入一定量的呼吸气体来增加患者的胸内压力的通气控制器 在患者的心脏周期的心室收缩期部分进入患者的肺部,并且通过在患者的环境或基本环境压力下从患者的肺部抽取一部分呼吸气体的量来减少患者的胸内压力 在相同心动周期的舒张期开始。