Portable Oxygen Concentrator and It's Benefits

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Portable Oxygen Concentrator
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What is a Portable Oxygen Concentrator?

• A portable oxygen concentrator, (POC) is a
  portable device used to provide oxygen therapy to
  a patient at substantially higher concentrations
  than the levels of ambient air. It is very
  similar to a home oxygen concentrator, but it
  smaller in size and more mobile.

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• The portable oxygen concentrator enables patients
  to be more independent. The POC range that
  Intermedical cover are small lightweight run
  on battery power can be powered in a car and are
  FAA (Airline) approved.

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The History of Oxygen Concentrator

• Portable oxygen concentrators have been around
  for decades but the older versions were bulky,
  not reliable, and were not permitted on
  airplanes.
• Since 2000, a number of manufactures have
  improved their reliability and they now produce
  anywhere between 1 and 6 liters per minute (LPM)
  of oxygen.

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• There are versions that provide pulse or
  continuous flow. The portable concentrators plug
  directly into a regular house outlet for charging
  at home or hotel but they came with a power
  adapter that can usually be plugged into a
  vehicle DC adapter.
• They have the ability to operate from the battery
  power as well for either ambulatory use, or away
  from a power source, or on an airplane.

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Developement of Oxygen Concentrator - Timeline
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How does it work?

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• The technology behind a Portable Oxygen
  Concentrator is based on the same principle as a
  home domestic concentrator.
• Air at barometric pressure contains 21 Oxygen
  combined with Nitrogen and a mixture of other
  gases. A miniaturised compressor inside the
  machine will pressurise this air through a system
  of chemical filters known as a molecular sieve.

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• This chemical filter is made up of silicate
  granules called Zeolite. The Zeolite will sieve
  the nitrogen out of the "air" concentrating the
  Oxygen.
• Part of the produced Oxygen is delivered to the
  patient part is fed back into the sieves to
  clear the system from the accumulated nitrogen,
  making it ready for the next cycle. Through this
  process, this system is capable of producing
  medical grade oxygen of up to 96 consistently.f
  up to 96 consistently.

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• The latest models can be powered from mains
  electricity supply, 12v DC (Car/Boat etc..)
  battery packs making the patient free from
  relying on using cylinders other current
  solutions that put a restriction on time, weight
  size.
• Most of the portable oxygen concentrator systems
  available today provide oxygen on a pulse
  (on-demand) delivery in order to maximise the
  purity of the oxygen.

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The Difference Between On-Demand Continuous Flow

• Most portable oxygen concentrators are built from
  the size of a binocular case and weigh less than
  a couple of bags of sugar. The reason for this is
  because of the on-demand system. It allows the
  concentrator to be built with smaller components
  than that of a domestic concentrator.
• Because the patient only inhales oxygen when they
  breathe in, when exhaling oxygen is wasted.
  Therefore what manufacturers decided to do is
  build a machine that works on your breathing...
  only providing oxygen when necessary, keeping
  wasted oxygen to a minimum.

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• Most on-demand portable oxygen concentrators work
  on settings which are very much equivalent to a
  specific LPM (Litre per minute). To determine
  this, the machine works on a bolus system. The
  bolus size is measured in millilitres and is the
  "shot" of oxygen released upon inhalation.
• The size of the bolus on each setting is worked
  out based on the amount of oxygen inhaled if the
  patient was on continuous flow oxygen. Since
  oxygen isn't required when we exhale, oxygen is
  normally wasted hence the reason behind the this
  type of technology.

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• Technology has progressed in a way so that
  boluses can be made variable based on the
  patients breathing rate. This is particularly
  useful for using an on-demand machine whilst
  sleeping. Naturally the breathing rate slows
  whilst sleeping. A machine with a variable bolus
  detects a slower breathing rate adjusting the
  bolus size so that its a longer shot of oxygen
  upon inhalation, but still maintaining the
  patients prescription of x amount of litres per
  minute.

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• It is not usually recommended that an on-demand
  device be used during sleep, however clinical
  studies have found that some on-demand portable
  oxygen concentrators are just as affective as a
  continuous flow oxygen concentrator. On-demand
  devices are not suitable for sleep for patients
  with the sleeping disorder sleep apnoea.

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Benefits Using Of Portable Oxygen Concentrator

• Increases Survival
• Enhances Exercise Tolerance
• Enhances Mental Alertness
• A Better Night's Sleep
• Enhances Mood
• Expands Stamina
• Travel Where You Want

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