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Product complaint #(b)(4).Part returned.(b)(4).Investigation summary: background:: it was reported that on (b)(6) 2021, the patient underwent a hardware removal of the trochanteric fixation nail advanced from the patient's right hip.Based on x-rays it was determined the helical blade was cutting through the femoral head.The patient's intertrochanteric fracture was healed.The original implant was on (b)(6) 2020.The hardware removal was successfully completed without delay.No patient consequence.Device history lot: (b)(4).Manufacturing date: 26-mar-2020, expiration date: 28-feb-2029, part number: 04.005.524s, 5.0mm ti locking screw w/t25 stardrive 34mm f/im nail-sterile, lot number: 47p2796 (sterile) , lot quantity: (b)(4), production order traveler met all inspection acceptance criteria.Inspection sheet, inspect whirl threads, vibe, flute / final inspection.Packaging bom was reviewed and determined to be conforming with no deviations to normal packaging identified.Scn (b)(4) supplied by (b)(4) was reviewed and determined to be conforming this lot met all dimensional, visual, sterility and packaging criteria at the time of release with no issues documented during the manufacture that would contribute to this complaint condition.Component(s) reviewed: component parts were not reviewed because the reported complaint condition of removal due to helical blade cutting through femoral head does not indicate failure or breakage of the screw.Therefore, review of the raw materials would not be pertinent to the reported complaint condition.Device history batch null, device history review 25-mar-2021: dhr reviewed.This lot met all visual, sterility and packaging criteria at the time of release with no issues documented during the manufacture that would contribute to this complaint condition.This complaint involves 3 devices investigation flow: visual visual inspection: the 5.0 ti lckng screw t25 sd 34 f/im nail-s (part #: 04.005.524s, lot #: 47p2796) was received at us cq.Upon visual inspection, there was no defect observed on the returned locking screw; hence this is consistent with the reported condition.Conclusion: the overall complaint is unconfirmed as no defect was observed on the returned device.No definitive root cause could be determined based on the provided information.No new, unique or different patient harms were identified as a result of this evaluation.There was no indication that a design or manufacturing issue contributed to the complaint.No design issues were observed during the document/specification review.Based on the investigation findings, it has been determined that no corrective and/or preventive 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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Depuy synthes is submitting this report pursuant to the provisions of 21 cfr, part 803.This report may be based on information which depuy synthes has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy synthes or its employees that the report constitutes an admission that the device, depuy synthes, or its employees caused or contributed to the potential event described in this report.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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