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 reported an allegation of an issue related to a cpap device's sound abatement foam.The manufacturer received information alleged visualization of particles.There was no report of serious or permanent harm or injury.The reported event of lung cancer and some health issues was reviewed by the pms clinical expert.This event is assessed as not related to the device in this case.Rationale: based on the conclusions reached and documented in er 2242138 v02, dreamstation 1 platform particulate hhe's test data are currently available that do not indicate a correlation between exposure to the detected levels on voc's and carcinogenic effects.The harm described in er2245262 v00, dreamstation 1 platform particulate hhe's for this this complaint is assessed as unrelated.The device was returned to the manufacturer's service center 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 the device was inspected.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 and unit scrapped due to age.Section b4, d8, d9, h2, h3, h6 were updated in this report.
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