Unverified80% confidenceDecision RuleTime unknown
腕戴式（手表形态）优于颈挂式：颈挂绳存在勒颈/挂物风险，且老人睡觉洗澡易取下遗忘；腕戴式24小时不离身，更适合突发场景；需选IP67及以上防水才能洗手不摘
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80%
Confidence
Long-term
Relevance
-
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Unverified颈挂式方便够到但可能勾挂发生窒息风险，卧床或认知障碍老人应选防勒断磁吸挂绳，或改用腕戴式；腕戴式虽戴脱费力但更贴身，适合活动量大的老人81% similarUnverified腕戴式适合认知正常老人（不易忘带），颈挂式适合手腕肿胀或不便的老人但跌倒时可能勒颈应选断裂式安全挂绳，固定式主机+随身遥控适合活动范围小的卧床老人80% similarUnverified手套袖口长度决定防护范围，加长过肘款(约35cm以上)适合刷浴缸、洗车、清理下水道等易溅湿手臂的场景，短袖款仅护住手腕78% similarUnverified腕戴式呼叫器优于颈挂式：跌倒时颈挂绳可能勒住脖子存在窒息风险，且腕戴不易在睡觉时压到误触，行动不便老人腕戴更易随时触发78% similarUnverified腕带设计比握把更影响长距离舒适度——好的宽织带腕带可将撑压力分散到手腕，减少手掌抓握疲劳，选购时应实际佩戴测试腕带贴合度78% similar
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