Specification：

● New international standard interface can be provided to prevent misconnection
● and make the connection safer and more reliable.
● Polyurethane material:
* The tube wall is thin, the tube body is soft, the patient feels less foreign body
* during the intubation process, the comfort is high, the compliance is good, and
* the success rate of one-time intubation is high.
* Good biocompatibility, resistance to gastric acid corrosion, long retention time.
* Indwelling in the body can be softened and protect the nasal mucosa.
* Small tube diameter reduces the risk of aspiration and lung infection.
* Does not contain PVC and DEHP.
● Guide wire: Good toughness, which not only guarantees the push performance, 
● but also is not easy to discount.