[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

髋部保护器优先选择软性缓冲材料(如聚氨酯泡沫/记忆棉),跌倒冲击力衰减率需达30%以上;硬壳分散型(PP外壳+软垫)适合高骨折风险人群(既往骨折史或骨密度T值≤-2.5),冲击衰减可达50%以上

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