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For many people who must have oxygen therapy, portable oxygen systems have changed their lives and have become a priority. They are making life simpler as they weigh less, they are easier to carry and store, and the oxygen supply lasts longer. Over the last few years designs in portable oxygen units seem to be coming out fast and strong. Manufacturers are responding to one of the greatest needs that patients of long term oxygen therapy have and that is to be able to increase their activities, be more mobile and reduce the worry and effort that carrying an oxygen unit used to mean.

The following are some of the benefits of these new carry on oxygen units:

Physical Benefits:

• Reduced weight making them easier to carry by hand, in a satchel or small trolley.
• The oxygen delivery lasts longer.
• There size and shape also makes them more maneuverable.

Psychological Benefits:

(One of the major factors that affect long term oxygen patients is the sense of loss of freedom and the restrictions in lifestyle).

• Regaining freedom of movement.
• Greater independence.
• Recovering many activities that had become restricted.
• Social activities.
• Not being restricted to the home.

The Three Types Of Portable Oxygen Delivery Systems:

1. Portable oxygen Tanks (Cylinders).

These cylinders hold pure oxygen that is stored under pressure. They come in various sizes and obviously in different weights. The most popular appear to be 8 pounds and lower. All oxygen tanks have to be refilled as obviously the stored oxygen is being constantly depleted. You have various choices:

• Keep larger tanks at home to replenish your portable cylinder.
• Keeping several portable tanks and have them refilled together with your large stationary tanks by a service provider.
• Have a home oxygen concentrator unit and refill at home.

Aside from the size (which relates to the amount of stored oxygen) supply will last depending on the psi and flow rate.

2. Portable Liquid Oxygen Tanks.

One of the properties of oxygen is that it turns liquid at low temperatures, These tanks store oxygen at around -170 degrees centigrade (Celsius)keeping the liquid oxygen at the bottom of the tank. The oxygen is fed to the patient through a valve that lets out the evaporated (gas) that is stored in the top part of the tank.

As with compressed oxygen cylinders, they come in various sizes and have flow valves to release oxygen to the patient. One of the advantages liquid oxygen tanks have is that they store larger amounts of oxygen and therefore supply lasts longer . You need to have a storage reservoir for refills as well as a liquid oxygen refill provider.

3. Portable Oxygen Concentrators(POC's).

POC's are relatively new and have been around since 2002. This is perhaps the area where more new models are being developed. An oxygen concentrator extract pure oxygen from the around us. It then delivers through a flow valve providing a constant supply.

They are powered by electricity which is one advantage as this means they are not storage systems and therefore you don't have to worry about refilling. Most portable oxygen concentrators have both a plug in option (some you can connect to the cigarette lighter port in your car) as well as rechargeable batteries. Battery duration varies according to the model and make, but will usually be between 3 and 8 hours. Of course you can have reserve batteries.

Portable Oxygen Delivery Systems are life changing for people on oxygen therapy. Information and facts on supplemental oxygen equipment and lifestyles for patients and those who share with them, at http://oxygensmart.com