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 nasal/throat irritation, itchy burning eyes.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 dust/dirt contamination was observed throughout device enclosure, and airpath.Slight black contamination was found at the blower seal of the blower box is consistent with the keratin contamination.The device's downloaded event log was reviewed by the manufacturer and found 0 errors.The device was applied power and the device operated properly.The manufacturer concludes contamination of dust/dirt and keratin found were external to the device.The manufacturer concludes there was no evidence of sound abatement foam degradation.
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