The device was returned without identified device or use problem.A malfunction based on analysis was found.As received, the device output and telemetry communication were normal.Visual inspection of the header attachment area detected a bonding anomaly.A device history record (dhr) review was performed and all required manufacturing processes and inspections steps were confirmed to be completed per the requirements.The device met specifications prior to leaving abbott manufacturing facilities.A device hermeticity breach was observed, consistent with feedthrough damage as a result of fluid intrusion between the header and case, and subsequent fluid ingress to the internal electronics.The device was cut open to enable further testing and battery was operating at the end-of-service (eos) and device depleted sooner than expected.The hybrid circuitry was tested, and the results indicated normal current drain.A manufacturing anomaly may have occurred, which resulted in the header bonding anomaly.The device is included in the assurity and endurity pacemakers header anomaly advisory issued by abbott on 15 march 2021.
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