The manufacturer was contacted in reference to the voluntary field safety notice / recall notification related to the sound abatement foam in certain cpap, bipap, and mechanical ventilator devices.The manufacturer received information alleging an issue related to a cpap device's sound abatement foam.The patient has alleged of having sneezing.There was no report of serious or permanent patient harm or injury.The device was returned to the manufacturer's product investigation laboratory for investigation.An internal and external visual inspection of the device was completed by the manufacturer.The manufacturer found evidence of minor unknown dust/dirt contamination, keratin-like substance present on blower box outlet.The manufacturer found no evidence of sound abatement foam degradation/breakdown.The device's downloaded event log was reviewed by the manufacturer and found no error logged.The manufacturer concludes there was evidence of multiple contamination from the device.The manufacturer confirmed there was no evidence of sound abatement foam degradation/breakdown.
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