[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

正压呼吸训练器需区分「振荡型(OPEP)」和「纯阻力型(PEP)」:有痰液排出需求(如慢阻肺、支气管扩张、囊性纤维化)应选振荡+正压双功能,其球体或膜片可在10-30Hz频率下震动松动痰液;单纯做呼气肌力量训练则纯PEP阻力型即可

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Long-term
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