In the lumbar cage straight inserter, the inner shaft's threaded distal tip broke off in cage while surgeon was impacting.No surgical tecnique was provided.No patient anatomy was provided.No pre or post-op x-rays were provided.Surgery was completed.When the axis of the instrument is not held straight, and wobbles while maletting, may cause the distal tip to break.Potential user error.(this failure could exist in high usage wear-and-tear or misuse outside prescribed surgical technique such as poor disc prep, forcible cage insertion, axial mismatch during insertion, and/or in-situ repositioning.).
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