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 bipap device's sound abatement foam.The patient has alleged difficulty breathing.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 visual inspection of the device was completed by the manufacturer and found unknown dust/dirt contamination present on all surfaces of the base unit.Unknown dust contaminates present at the air inlet.Slight unknown white colored dust/dirt contamination present within bottom enclosure, blower housing, on blower motor casing, and on impeller.The manufacturer found there was no evidence of sound abatement foam degradation.The device's downloaded event log was reviewed by the manufacturer and found 1 error.The manufacturer concludes contamination of dust, dirt found were external to the device.The manufacturer concludes there was no evidence of sound abatement foam degradation.
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