1).Open the package and take out the product, checking it.
2).Connect the right port of anesthesia/breathing circuit to anesthesia machine, then connect the other port to anesthesia 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 anesthetize or oxygen transfer.
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 anesthetist or clinicians；and pay attention that the mechanical interface of the circuit need to assort with anesthesia machine and ventilator.
3).Never use when package damaged or leaking. For single use，destroyed after used.