1).Open the package and take out the product, checking it.
2).Connect the right port of breathing circuit to breathing machine , then connect the other port to breathing machine through breathing filter.
3). Try out the product by breathing bag first. Connect breathing filter with anesthesia/breathing circuit before it connected by tracheal cannula or anesthesia mask.
4). According to the clinical need to oxygen transfer or mechanical ventilation.
1).Pneumothorax and pneumomediastinum didn’t treating；bullae；hemoptysis；acute myocardial infarction；hemorrhagic shock before adding blood，forbidden using mechanical for ventilating.
2).Please use it under guiding of experienced clinicians；and pay attention that the mechanical interface of the circuit need to assort with breathing machine and ventilator.
3).Never use when package damaged or leaking. For single use，destroyed after used.