Features:
1. Accurate anatomical marks
2. Oral or nasal cavity intubation
3. Wrong operation, stomach inflation or laryngoscope compressing the teeth will
activate warning prompting.
4. One proper pupil and another mydriasis
5. Thyrocricoid puncture position instruction
Other Equipment:
1. Trachea cannula
2. Talcum powder
3. Syringe
4. Luxury portable plastic box