Because some spaces exist between cricoid cartilage, base of tongue and epiglottis, aspiration is likely to occur.

 
  • 以往把環(huán)狀軟骨吻合固定在舌骨體下面,由于環(huán)狀軟骨與舌根會(huì )厭之間夾著(zhù)舌骨有較大空隙易發(fā)生誤咽。
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