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Reporter is a j&j employee.The device was received, the investigation is in progress, no conclusion could be drawn at the time of filing 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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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.If the information is unknown, not available or does not apply, the section/field of the form is left blank.H3, h6: part: 309.520; synthes lot: 2553364; manufacturing site: bettlach; release to warehouse date: january 15, 2010.A manufacturing record evaluation was performed for the finished device lot number, and no non-conformances were identified.Visual inspection: the conical extraction screw for 2.7 mm and 3.5 mm cortex screws was returned and received at us customer quality (cq).Upon visual inspection, it was observed that the distal threads were observed to be stripped and deformed.The etching on the device started to fade but have no impact on the device functionality no other issues were identified with the returned device.Functional test: a functional test was not performed as the device was returned by itself but the stripped threads could have caused the complaint condition.Document/specification review: based on the date of manufacture, the current and manufactured revision of drawings were reviewed: extraction screw, conical.Dimensional inspection: a dimensional inspection was not performed due to post-manufacturing damage.Investigation conclusion the complaint condition is confirmed for the conical extraction screw for 2.7 mm and 3.5 mm cortex screws.There is no indication that a design or manufacturing issue has caused the complaint condition and hence the root cause cannot be determined.The potential cause could be due to unintended forces applied to the device.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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