It was reported that the device was explanted and replaced as it is subject to the zenex, assurity, endurity laser adhesion preparation field safety correction action which applies to a subset of devices distributed and implanted outside of the united states.It was also observed the device was in lockout.The patient was in stable condition.Further information was requested but is not yet available.
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The reported event of wireless communication issue was confirmed.The device was received with no telemetry communication and no output.Visual inspection of the header attachment area detected an anomaly between the pre-molded header and titanium case.The device was cut open to enable further testing and the battery was found in normal range.Feedthrough leak test was performed, indicating a device hermeticity breach.This is consistent with feedthrough damage as a result of fluid intrusion between the header and case, and subsequent fluid ingress to internal electronics.Hybrid circuitry was tested, and the results indicated normal current drain.A manufacturing process anomaly may have occurred, which resulted in the header bonding anomaly.The device is included in the zenex, assurity, endurity laser adhesion preparation advisory issued by abbott on 20 july 2022 for a subset of devices distributed and implanted outside of the united states.
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