氣管切開術(tracheotomy)依筋膜層次由皮膚淺層到氣管之順序為何?①頸部覆蓋筋膜(the investing fascia of the neck) ②皮膚和皮下組織(skin and subcutaneous tissue) ③舌骨下筋膜(the infrahyoid fascia) ④氣管筋膜(the tracheal fascia) ⑤胸骨上間隙之結締組織(connective tissue contained in the suprasternal space of Burns)