적절한 강도를 가진 ETT를 어떻게 선택합니까?

Video Description:
Learn how to choose the right hardness for a 3.5mm PVC Reinforced Endotracheal Tube. This medical-grade tube features a stainless-steel spiral wire for kink resistance, Murphy Eye for airflow safety, and is suitable for both oral and nasal intubation.
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