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Part number: 03.037.004.Synthes lot number: 150551-104.Manufacturing site: (b)(4).Supplier: (b)(4).Release to warehouse date: 03.May 2016.A manufacturing record evaluation was performed for the finished device lot number, and no non-conformances were identified.Visual inspection: visual inspection identified that the nitinol spring component on the centering attachment sub-assembly is missing.The weld that secured the spring to the body has failed.The complaint is confirmed.There were scratches consistent with device use and the etch on the device started to fade but has no effect on the functionality of the device.Document/specification review: hollow reamer assembly drawing.Centering attachment sub-assembly drawing.Centering attachment body component drawing.Nitinol spring component drawing.No product design issues or discrepancies were observed during this investigation.Dimensional inspection: a relevant dimensional inspection is not possible for the conditions of a failed weld and missing spring.Investigation conclusion: a definitive root cause for the missing spring could not be determined based on the provided information.This complaint is confirmed however no product design issues or manufacturing discrepancies that would contribute to the reported complaint condition were identified during this investigation.No new, unique or different patient harms were identified as a result of this evaluation.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post market safety surveillance activities.Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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