Unverified85% confidenceDecision RuleTime unknown
敷贴尺寸应保证垫层四周超出伤口边缘至少2-3cm，粘胶不接触创面；伤口5cm则选10×10cm规格更稳妥
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Unverified敷料尺寸应超出伤口边缘至少2-3cm以保证有效密封和渗液管理，选购时需按伤口最大径预留余量89% similarUnverified7.5×7.5cm规格适合中等面积伤口覆盖或折叠后做小伤口加压，若伤口小于2cm可能浪费，若伤口较大则需多片拼接，购买前应根据实际伤口面积选择尺寸89% similarUnverified常见无菌纱布规格为5cm×5cm、7.5cm×7.5cm、10cm×10cm三种，5cm适合手指等小伤口，7.5cm为通用常用尺寸，10cm用于较大创面，尺寸应大于伤口边缘各2cm以上88% similarUnverified规格为7.5cm×7.5cm的方形纱布片，仅适合小面积伤口覆盖，较大创面需要多片拼接或选择更大规格产品88% similarUnverified渗液较多的伤口应选8层或12层加厚纱布垫（如10×10cm 12层）以增强吸液和缓冲，渗液少的浅表伤口4层或6层纱布即可，层数过多会延长换药时不易观察渗出85% similar
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