Unverified50% confidenceFactExact time
医疗器械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
四足机器人变轮椅：仿生腿如何重塑无障碍出行
redditr/robotics7/12/2026
Related Claims
Unverified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74% similarUnverified在药物发现中，从靶点假设到体外验证平均需要18-24个月，成本高达数百万美元73% similarVerifiedTraditional new drug development takes an average of 10–15 years and costs more than $1 billion.73% similarUnverified传统药物研发周期长达十余年，耗资数十亿美元，成功率极低69% similar
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