Of all the delivery systems used by oxygen-dependent patients, oxygen concentrators are the most common. An oxygen concentrator is an electrical medical device which uses sieve-bed technology to extract oxygen from the surrounding air. This air is then delivered to the patient using a plastic tube connected to a nasal cannula. Concentrators are usually the most economical method of providing oxygen therapy at home.
What are the advantages of oxygen concentrators compared to other forms of oxygen therapy?
- Concentrators provide a continuous supply of oxygen, while requiring very low maintenance
- The concentrator stays in the room in which it is placed and the person using the device can use different lengths of oxygen cannulas to move around the house without having to move the concentrator (a concentrator weighs about 20-25 kilos)
- A concentrator can be combined with a medicinal oxygen cylinder to increase mobility as a back-up
- Concentrators are highly cost-efficient
Why could other modes of oxygen therapy be more useful?
In contrast to liquid oxygen systems, concentrators need to be connected to electrical supply all the time, which limits the mobilitity and creates the need to of a back-up system (most common are medicinal oxygen cylinders). Patients who want a high level of mobility outside their living area will benefit from a liquid oxygen system.
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