Zoll medical corporation evaluated the device and the reported malfunction was not replicated or confirmed.The device was put through extensive testing which included bench handling, shock testing, and sync testing without duplicating the malfunction.Review of the device log did show multiple instances of pd core warning 247.However, this is not an indication of a device malfunction, but an advisory message for when the device is not recognizing a valid patient impedance.It's important to mention that the electrodes used during the time of the event were not returned for evaluation as part of the investigation.However, the images provided by the customer indicate the patient was not prepped properly before applying the electrodes.The device was recertified and returned to the customer.Analysis of reports of this type has not identified an increase in trend.Review of the activity logs did not find evidence to support the reported event.
|