The family has an elderly chronic obstructive pulmonary need long-term oxygen therapy, want to buy an oxygen concentrator home Omron this brand how ah?

I bought my mother-in-law an Omron oxygen concentrator. My mother-in-law was diagnosed with chronic obstructive pulmonary disease last year, and after she was discharged from the hospital, the doctor told her to stay at home for oxygen therapy, saying that oxygen therapy has a very good effect on the recovery of chronic obstructive pulmonary disease. Our family chose OMRON Y-506W oxygen concentrator. On the one hand, it is because many medical equipments in the hospital are made by OMRON, and OMRON oxygen concentrator belongs to medical oxygen concentrator, which is more reliable; on the other hand, the doctor told us that the oxygen concentration of the oxygen concentrator must be more than 90% in order to ensure that the patients can get the real effect of oxygen therapy, and achieve the purpose of assisting the treatment. And the oxygen concentrator can also be done at home nebulizer, mother-in-law cough cough phlegm will not have to run to the hospital, very convenient to use after the effect is really good, mother-in-law asthma symptoms have now been relieved a lot. I think I want to buy an oxygen concentrator home Omron this brand is still very good, trustworthy!