喉罩置入全身麻醉25例
Medical Journal of General Equipment Headquarters（2011）
Abstract
<正>喉罩(laryngeal mask airway,LMA)是介于气管导管和面罩之间的一种特殊人工气道,具有气管导管和面罩的共同特点。其前端连接一个用硅橡胶制成的扁长凹形套囊,插入咽喉部充气后在喉周围形成一个密封圈,大小恰好能盖住喉头
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