Unverified88% confidenceTradeoffTime unknown
绑带松紧存在权衡：过紧会压迫血管导致远端肢体肿胀发凉，过松则失去固定作用。判断标准是绑好后脚趾（爪垫）温度正常、无肿胀、能塞入一指，需每日检查
1
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88%
Confidence
Long-term
Relevance
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Unverified固定越紧越不易脱落但越易勒伤：绑带过紧会阻碍脚部血液循环、造成勒痕甚至引发跛行，正确松紧应能塞入一根手指，穿后观察脚趾是否发凉发紫85% similarUnverified护具固定过紧会导致末端肢体血液循环受阻，正确松紧度为可插入一根手指；长时间穿戴（超过2小时）需定期取下检查趾端是否发凉肿胀83% similarUnverified缠绕时需注意松紧度，弹性绷带容易越缠越紧导致血液循环受阻，尤其用于手指、脚趾等末端部位时应格外注意82% similarUnverified腰部松紧带优选内藏式软边松紧或织入式弹力（无独立橡筋），避免外包硬质橡筋勒出红印；判断松紧度标准为穿着后能轻松塞入2根手指，过紧影响血液循环，过松易下滑81% similar
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