The manufacturer became aware that a user of oxygen was visited by emergency services and reported that the oxygen nasal cannula had begun to burn.The unit was replaced, and the patient is reported as being "well." the patient denied having smoked a cigarette; however, a cigarette was retrieved by the fire department who stated that was the cause.The user was informed of the warning and safety instructions and the special fire hazard when using oxygen.Additional adhesive warning labels were also attached to the unit.The unit was inspected, and no traces of fire were found on or in the unit.The device has not been returned to the manufacturer.The manufacturer's investigation is ongoing.A follow-up report will be submitted when the manufacturer's investigation is complete.
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