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 an issue related to a cpap device's sound abatement foam.The patient alleged of having a stint put in his artery and kidney failure.The patient also alleged of having difficulty breathing/short of breath.The device was returned to the manufacturer's product investigation laboratory for evaluation.The manufacturer inspected the external abd internal part of the device and no contamination was found.The device's event logs were downloaded and reviewed by manufacturer.The manufacturer found thirty instances of e-53(err_comp_log_sem_timeout), one continue error e-74 (err_psens_no_callback) and one reboot error e-130 (err_task_wdog_time out).These errors were not reproduced with continued usage and do not impact the investigation.The manufacturer concludes there was no evidence of sound abatement foam degradation.
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