The manufacturer previously reported an issue related to a cpap device's sound abatement foam.The patient alleged congested and hard of breathing, difficulty breathing or short of breath.There was no report of patient harm or injury.The device was returned to the manufacturer's quality product investigation laboratory for investigation.The manufacturer visually inspected the external part of the device and found no evidence of degraded sound abatement foam.The manufacturer visually inspected the device and found presence of dust/dirt contamination arround the air inlet and iso port.Grey film contaminant on the top enclosure, front panel, rear panel and bottom enclosure.Dark contaminant found at blower box.The device's event logs were downloaded and reviewed by manufacturer.The manufacturer found 1 error code.The manufacturer applied power to the device and verified airflow.The manufacturer concludes there was evidence of contamination in the airpath and no evidence of sound abatement foam degradation.Section h6 were updated in this report.
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