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 previously received information alleging alleging coughing, loss of voice and nasal/throat irritation or soreness related to a cpap device's sound abatement foam.There was no report of serious patient harm or injury.The device was returned to the manufacturer's service centre for further evaluation.The device was evaluated.There was no mention of visual findings to the external part of the device.The internal aspect of device was inspected.The device powered on, and airflow was confirmed.The device's downloaded logs were reviewed by manufacturer.There were no errors found.The manufacturer concludes that they could not confirm the customer allegation and there was no visible foam degradation.The unit was scrapped.
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