Oxygen concentrators supplied to the European market with a CE mark since January 2015 should:

  1. Have a means to prevent propagation of fire into the oxygen concentrator outlet, and
  2. Include in the Instructions for Use an instruction that installation accessories (nasal cannula and tubing or mask and tubing) shall be provided with a means to extinguish a tubing fire and isolate the oxygen flow. This should be fitted close to the patient.