Types of oxygen systems

There are three systems for supplying oxygen:concentrators, compressed-gas systems, and liquid systems. Each system has advantages and disadvantages. It is important to choose the system that best fits your lifestyle. The oxygen supply company should explain and demonstrate the system you select.

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Whichever system you choose, the oxygen may be delivered to your body in a variety of ways. A nasal cannula may be placed under the nostrils. Oxygen can also be delivered by a face mask. A transtracheal oxygen catheter can be used when oxygen therapy is used continuously for a long time at a high flow rate. This thin tube is placed in your neck so oxygen is delivered directly into your windpipe (trachea).

Concentrators are commonly used because they are convenient for both the patient and the oxygen supply company. Concentrators plug in to an electrical outlet and extract oxygen from the room air. These systems can add to the monthly cost of electricity, are relatively noisy, and produce more heat than other types of systems. If you live in a rural area or have frequent power outages, you may need a backup system. When ambulatory, you may need an additional system to use when you go outside your home.

Compressed gas systems have steel or aluminum cylinder tanks of varying sizes. The smaller sizes are portable, although this system is a bit more bulky than portable liquid systems.

Liquid systems have two parts--a large stationary container and a portable unit with a small lightweight tank. You can refill your portable unit from the stationary unit. The oxygen supply company will visit periodically to refill the stationary unit.

If you need a lot of oxygen or want to be very active, your healthcare provider may consider an oxygen-saving device for you--one, for example, that delivers oxygen in a pulsed rather than continuous fashion.