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  • nitrogen
  • This filter is made up of silicate granules called Zeolite which attract (via molecular bond adsorption) nitrogen molecules onto their surfaces more strongly than they attract oxygen molecules - this sieves the nitrogen out of the air, concentrating the oxygen. (wikipedia.org)
  • patients
  • POCs allow chronic oxygen therapy patients to maintain their mobility and independence throughout their day-to-day activities. (wikipedia.org)
  • Here are some benefits of using portable oxygen concentrators: Allows patients to utilize oxygen therapy 24/7, which helps increase survival. (wikipedia.org)
  • Although portable concentrators are a useful option for active patients, it is advisable to seek the assistance of a specialist, to prescribe the correct oxygen flow and choose a POC that best suits a patient's needs. (wikipedia.org)
  • system
  • Through this process, the system is capable of producing medical-grade oxygen of up to 90% consistently. (wikipedia.org)
  • demand
  • With on-demand or pulse-flow, delivery is measured by the size (in millilitres) of the "bolus" of oxygen per breath, referring to a burst of oxygen released at the instant of inhalation. (wikipedia.org)
  • produce
  • Since that time, reliability has been continuously improved, and POCs now produce between one and six liters per minute (LPM) of oxygen. (wikipedia.org)