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 nose irritation and blotches on her face.There was no report of patient harm or injury.The device was returned to the manufacturer¿s product investigation laboratory for investigation.The device was visually inspected by the manufacturer found evidence of black contamination, thread like contamination, keratin-like contamination and also evidence of water ingress to the blower box outlet and air inlet.Dust/dirt contamination inconsistent with degraded sound abatement foam was observed throughout device enclosure, and air path, suggesting a source external to the device.There was no evidence of sound abatement foam degradation.
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