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.The device was tested for a hermeticity breach which was not observed.The device was cut open to enable further testing and battery was operating at the elective replacement indicator (eri) voltage consistent with normal usage.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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