The manufacturer previously received information alleging an issue related to a cpap device's sound abatement foam.Patient alleged of having heart attack.In the initial report section b5 was not updated, the correct b5 should be - there was no report of patient harm or injury.The device was returned to the manufacturer's product investigation laboratory for investigation.An internal visual inspection was completed by the manufacturer and found no evidence of contamination.The manufacturer found evidence of sound abatement foam degradation.The device's downloaded event log was reviewed by the manufacturer and found 4 instances of e-200, 1 instance of e-22, e-20 and e-56 on the error log.The manufacturer confirmed there was evidence of sound abatement foam degradation.
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