Use for patient who in the pre-operation, during operation or post-operation stage, use as connecting between the patient and the oxygen sources, delivery humidifying oxygen to patient via this high flow oxygen nasal cannula.

Instructions for use:
Select the product under your physician guidance.
1. Turn off the gas or oxygen source, connect its outlet
to the compatible nasal cannula to ensure a secure
connection.
2. Turn on the gas or oxygen source to the required
flow rate, wear the nasal cannula; gently insert
the prong into the patient's nostrils, adjust the
length of the elastic strap to meet your needs.
3. Once the treatment is complete, remove the nasal
cannula first, and then turn off the respiratory gas
or oxygen source. 

Cautions :
1. Read the Manual carefully before use, then assemble
the nasal cannula,
2. Do not use if the packaging and its contents is damaged,
if parts are missing ordeformed, or if connected parts
are separated.
3. Use immediately after opening the package.
4. Make sure prongs don't block nostrils, allow proper
exhaust;
5. Before using, check the flow rate, concentration and
temperature to meet patient's requirements.
6. Do not crush or stretch the tubing. Do not use near a
naked flame.
7. Check for condensate regularly, drain as required.
8. In case of an accident during normal use, immediately
disconnect the nasal cannula from the breathing tube.