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Medical liquid oxygen

Medical liquid oxygen is stored in an insulated stainless steel container that works in a similar way to a thermos flask.

These storage containers are referred to as base units and they hold the medical liquid oxygen at an extremely low temperature.

Medical liquid oxygen base units are low pressure storage containers designed to safely store more oxygen than gas cylinders can.

The temperature of liquid oxygen is -183°C and can cause painful ‘cold’ burns if it should ever come into contact with your skin.

A medical liquid oxygen system that is installed in your home will generally consist of the base unit mounted on a roller base with a separate portable unit.

Useful information

  • 1 litre of medical liquid oxygen will ‘evaporate’ as it warms up to provide 860 litres of oxygen gas.
  • A typical portable 2 litre medical oxygen cylinder contains about 490 litres of oxygen gas.
  • A typical base unit will hold approximately 35,000 litres of oxygen gas. That is the equivalent of having 70 portable cylinders ‘on tap’. Lighter medical liquid oxygen portable units provide you with excellent mobility.
  • A medical liquid oxygen base unit takes up less floor space than 4 standard 10 litre medical oxygen cylinders. This makes it a highly efficient method of storage and supply.
  • Home oxygen users / their carers may refill the portable units directly from the base unit as and when required.
  • Portable medical liquid oxygen units may be carried over the shoulder or worn across the chest using the strap provided.

IMPORTANT! Safety information for medical liquid oxygen.

In the unlikely event of a leak from the base unit, wheel the base unit outside. If possible, open the doors and windows for ventilation and allow the oxygen to disperse.

In the event of accidental contact with the skin:

  • DO NOT rub.
  • Remove any clothing if necessary and gently apply slightly warm water for at least 15 minutes.
  • Call your Doctor.

How to use your medical liquid oxygen system

Taking care of your child's mask or cannula

Your child’s oxygen cannula or mask are important pieces of equipment.

A cannula can easily become blocked by nasal secretions and mucus. Both cannula and masks should therefore be kept as clean as possible.

You should also check the oxygen tubing daily for any obvious signs of damage such as kinking, flattening or splitting. If you notice any damage you must replace the tubing immediately.

It is important that you keep a spare cannula or mask to hand at all times.

CAUTION: Take care that tubing does not become trapped in items such as furniture, doors, babies’ cots, infants’ high chairs etc; as this will restrict or even stop the flow of medical oxygen.

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