Nephron pharmaceuticals corporation received a report of a malfunction on 08/11/2014, that was reported as associated with the use of the ez breathe atomizer.The pt reported that his atomizer became clogged after using the device despite cleaning the atomizer according to the mfr's instruction with distilled vinegar and water.The pt experienced an asthma attack on (b)(6) 2014, and attempted to use the device to alleviate his asthma exacerbation without success.During a follow-up phone call on (b)(6) 2014, the pt reported that he has purchased four atomizers to alleviate his asthma symptoms; however, all four devices have become clogged after use despite cleaning the atomizers according to the mfr's instructions.During the most recent event, the pt reported that the device became clogged after one treatment.The unit was purchased in 2014 (specific date unk).The pt added that he did not require any medical interventions for the event.The pt is a (b)(6) male with a past medical history that is significant for asthma and hay fever.He has never smoked.
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The root cause of this complaint cannot be identified, since the device will not be returned to mfr.Have communicated with distributor closely and try to retrieve the defective device for further investigation.But it was confirmed that device unit will not be returned.Based on the obtained info, according to 21 cfr part 803 "medical device reporting (mdr)", we performed the investigation for this mdr, there's no evidence that this "malfunction" is likely to cause pt death or serious injury.
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