Oxygen inhalation by household oxygen generator has no obvious effect? The possible reasons may be (1-3)
Oxygen inhalation has become a daily treatment method for many patients with COPD, emphysema and other breathing disorders. In recent years, there has been a lot of information about household oxygen concentrators, but do you really understand household oxygen concentrators? Why do some people buy an oxygen generator, but it doesn't have the effect of oxygen therapy? Today, we will take you to learn more about the oxygen concentrator.
1. The oxygen flow is not enough
The oxygen flow rate is how many liters of oxygen that the oxygen generator can produce per minute. The inspiratory oxygen concentration FiO2 in the doctor's order is determined by the oxygen output and the oxygen output concentration. The oxygen concentration of regular oxygen concentrator is above 90%.
Fraction of inspiration O2 (FiO2) = (21% + 4 × oxygen flow rate of oxygen concentrator) /100
According to the calculation formula, patients with respiratory disorders should choose an oxygen concentrator with an oxygen flow rate of 3 liters or more to ensure that the oxygen concentration in the alveoli of the human body is between 29% and 35%, so as to maintain a relatively normal blood oxygen index.
Insufficient oxygen flow will not achieve therapeutic effect, and excessive flow will also cause damage to the body. The specific oxygen flow rate must be adjusted according to the doctor's advice.
2. Insufficient oxygen inhalation time
The length of oxygen inhalation must be targeted. The doctor will set the oxygen flow rate and oxygen inhalation time according to the actual situation of the patient. Do not adjust it privately to avoid unnecessary damage.
3. Insufficient oxygen concentration
Although there are regulations on the production license of oxygen concentrators, when leaving the factory, the oxygen concentration should be greater than 90% within the rated flow range, and the oxygen concentrator is required to have its own oxygen concentration detection function. When the oxygen concentration is lower than 82%. Stop using it and replace the molecular sieve.
The actual situation is that the oxygen concentration of some small manufacturers' oxygen concentrators may not meet the standard after a short period of use. Ordinary consumers do not understand the relevant standards of oxygen concentrators, and mistakenly believe that as long as the machine is running, the oxygen that meets the standard will come out. If possible, you can choose an oxygen analyzer for measurement. If you don’t have the above conditions, try to choose an oxygen concentrator from factory with a "Medical Device Production License".
------to be continued