[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

单向阀带过滤膜设计可防止施救者直接接触患者呼出气体和分泌物,但过滤膜属于耗材,长期存放后可能老化失效,使用前应检查并定期更换

1
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85%
Confidence
Long-term
Relevance
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