1、插管操作不当或错误所致患者缺氧死亡者占麻醉相关性死亡总数的30%Difficult airway医 生 的 陷 阱3%18%各种喉镜片气管插管所需器械口腔和咽喉部的口腔和咽喉部的3 3线线口腔轴线喉腔轴线咽腔轴线 The LMA is an adjunctive airway that consists of a tube with a cuffed mask-like projection at distal end.A = esophageal obturator; ventilation into trachea through side openings = B C = trachea
2、l tube; ventilation through open end if proximal end inserted in tracheaD = pharyngeal cuff; inflated through catheter = EF = esophageal cuff; inflated through catheter = GH = teeth marker; blindly insert Combitube until marker is at level of teeth Distal EndProximal EndBCDEFGHADADBFH紧急环甲膜或气管切开ThyroidCartilageCricoid
