Unverified90% confidenceDecision RuleTime unknown
尺寸按背长（颈根到尾根）而非体重选，背长测量后取相近偏小尺码，过大易滑动露出伤口、过小压迫切口影响愈合
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90%
Confidence
Long-term
Relevance
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Unverified四肢和大面积躯干伤口选6英寸款，头部、手臂等较小部位选4英寸款，宽度选错会影响包扎贴合度75% similarUnverified颈托高度需匹配下颌到锁骨的实际距离，可调节高度型号应在拧紧后仍留有1-2cm余量；高度偏高会导致下颌被过度顶起、吞咽困难，偏低则失去固定意义75% similarUnverified选尺码优先量『背长』（颈后到尾根）而非体重，同体重不同体型差异极大；实测背长后选等于或略大1-2cm的尺码，胸围需预留可插入两指的松量74% similarUnverified尺码需按肢体周长精准测量而非按身高体重，膝护具量髌骨上15cm大腿围，踝护具量脚踝最细处，误差超过±2cm会导致压力不足或勒出淤血74% similarUnverified尺码需按小腿最大围（腿肚周长）而非鞋码或身高选择，围度选错会导致压力值偏差超过30%，紧一档易勒出凹痕、松一档失去压缩效果74% similar
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