A portable oxygen concentrator (POC) is a compact medical device that generates supplemental oxygen, enabling the user to have more mobility. A portable oxygen concentrator is different from an oxygen cylinder because it draws air from the environment, filters out the nitrogen and then provides concentrated oxygen via nasal cannula.

Depending on the prescribed oxygen therapy, a portable oxygen concentrator may be beneficial for those patients who need oxygen therapy at home, while traveling or while performing everyday activities. These devices are usually light and portable, and are easier to transport than traditional cylinders of oxygen. Certain models can be powered by rechargeable batteries, so they're great for travel and outdoor activities.

The things to take into account when purchasing a portable oxygen concentrator include the output of oxygen, battery life, weight, noise, method of delivery, warranty, and ease of maintenance. Users' prescribed oxygen needs should always be taken into account to ensure that the right device is used.

Before buying and using a portable oxygen concentrator, always ask a qualified health care provider for safe and effective oxygen therapy.

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