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 visualization of particles related to a cpap device's sound abatement foam.There was no report of patient harm or injury.The device was returned to third party service center for further evaluation.The device was evaluated.There was no mention of visual findings to the external part of the device.The manufacturer found that bottom enclosure was damaged, scratches to upper enclosure and ui pannel.The internal aspect of the device was evaluated and no contamination was observed.The device powered on and airflow was confirmed.The device's downloaded logs were reviewed by the manufacturer.There were no errors found.The manufacturer concludes that they could not confirm the customer's allegation and there was no visible foam degradation.
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