Unverified90% confidenceDecision RuleTime unknown

承重需求判据：老人日常辅助扶手承重≥100kg，若用于跌倒瞬间支撑或体重较大者需选承重≥150kg产品，真正安全的扶手拉力测试应达到承重3倍冗余

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Unverified承重安全评估：合格徒步杖单杖静态承重应≥90kg，重装或体重较大者选标注抗压强度高的7075铝合金杖身，避免选未标注承重的廉价杖84% similar Unverified偏瘫、下肢无力等需借力起身的老人应选承重≥150kg的落地式扶手架，夹紧式因固定点受力集中，反复借力易松动移位84% similar Unverified老年人或行动不便者使用，优先选承重≥150kg且四脚间距≥40cm的宽底款，重心稳定性远高于窄脚款，防侧翻能力更强83% similar

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