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 visualization of plastic chips.The patient alleged that the device had caused them to choke.The patient alleged there was medical intervention but did not elaborated on the type of medical intervention provided as a result of the device.A pms clinical expert determined the event was non-serious, non-reportable injury and was possibly related to user error due to improper humidification and/or tube temperature settings, improper mask fit/use, improper or inadequate treatment pressures, and certain cleaning chemicals used to clean the device and/or inadequate cleaning practices/frequency.The device was not going to be returned for evaluation by the patient and there is information in the ra/complaint that indicates a final report can be made.Three attempts to have the device returned for evaluation and investigation were unsuccessful.At this time, no further investigation can be performed.If any additional information is received, a follow up report will be filed.
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