During an implant procedure, the lead was unable to be inserted into the device header.A new hex wrench was attempted to be used, but the set screw was alleged to be missing.The device was explanted and replaced to resolve the event.The patient was stable and will continue to be monitored.
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The reported event of set screw anomaly was confirmed.The device was above the elective replacement indicator (eri) upon receipt.Analysis revealed the right ventricular set screw was backed out from the set screw thread, which was a result of unscrewing the set screw too far.When the set screw was re-engaged with the connector block, it operated normally in affixing the test lead to the header.The set screw anomaly was consistent with having occurred during the procedure.
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