[KongchangAI]
Unverified50% confidenceFactExact time

美国FDA对II类或III类医疗器械要求510(k)上市前通知或PMA预市批准,认证周期通常长达数年,成本高达数百万美元

1
Sources
50%
Confidence
Long-term
Relevance
7/13/2026
First Seen

Sources

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