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Insufflation-exsufflation system with percussive assist for removal of broncho-pulmonary secretions
Insufflation-exsufflation system with percussive assist for removal of broncho-pulmonary secretions
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机译:带冲击辅助的吹气-吹气系统可去除支气管-肺分泌物
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摘要
An improved insufflation-exsufflation system with percussive assist for removal of broncho-pulmonary secretions includes a conduit for connection to a patient's airway; a pressure source for providing to the conduit alternating positive and negative pressure fluctuations at a first rate corresponding to patient insufflation-exsufflation; and a control mechanism for varying pressure during positive and negative pressure fluctuations at a second higher rate to periodically decrease the positive pressure during positive fluctuations and decrease the negative pressure during negative fluctuations to provide percussive pulses during at least one of insufflation-exsufflation to clear broncho-pulmonary secretions from the patient's airway.
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