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Product complaint # (b)(4).This report is being submitted pursuant to the provisions of 21 cfr, part 803 (and/or part 4, as applicable).This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by depuy synthes, or its employees that the report constitutes an admission that the product, depuy synthes, or its employees caused or contributed to the potential event described in this report.Additional narrative: h3, h6: product investigation summary: the product was returned to depuy synthes for evaluation.The depuy synthes team conducted a visual inspection of the returned device.Visual inspection of the returned device revealed that the concave impactor tip was broken impactor tip near and around the threaded region of the impactor where the impactor handle assembles.The device exhibits an overall worn condition consistent with constant usage for a long period of time.The radel concave impactor tip fractured through the threads at interface of the distal flat where the mating metal impaction handle threads into.The location of the fracture in combination with observed thread damage and crack propagation in the threaded region of the impactor tip suggests brittle overload from uneven distribution of load during impaction.On the basis of these observations, the potential cause is traced to unintended use error due to uneven force applied during impaction.No material or manufacturing defects were observed that could have contributed to the observed fracture.A dimensional inspection was not performed since it was not applicable to the complaint condition.A functional test was not performed since it was not applicable to the complaint condition.The overall complaint was confirmed as the observed condition of the concave impactor tip would have contributed to the complained issue.Based on the investigation findings, the potential cause is traced to unintended use error, and it has been determined that no corrective and/or preventative action is required.There is no indication that a design or manufacturing issue has caused the reported complaint condition.As part of depuy synthes quality process, all devices are manufactured, inspected, and released to approved specifications.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post-market safety surveillance activities.Device history lot: the product investigation found no evidence suspecting an error in the manufacturing or material that would be a contributing factor in the reported allegation(s).A manufacturing records evaluation (mre) was not performed.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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