Fig. 1
A disposable laryngo-tracheal mucosal atomization device (A); Five ml of the treatment drug was sprayed onto the tracheal mucosa and glottis to achieve uniform surface anaesthesia (B and C)
Fig. 1 | BMC Anesthesiology
A disposable laryngo-tracheal mucosal atomization device (A); Five ml of the treatment drug was sprayed onto the tracheal mucosa and glottis to achieve uniform surface anaesthesia (B and C)