Reporter is a j&j sales representative.A device history record (dhr) review was conducted visual inspection: the applic-instr f/sternal zipfix was received at jrz pal for investigation.The visual inspection of the received device indicated that on of the screws threaded portion was broken and the broken portion is embedded on the counter screw inside the threaded hole.This caused the screw to fell apart from the device.No other issues were identified with the device.Dimensional inspection: complaint relevant dimensional analysis cannot be performed due to post manufacturing damage.Document/specification review: no design issues or discrepancies were identified.Investigation conclusion: the overall complaint was confirmed for the received device as a component in the applic-instr f/sternal zipfix.No definitive root cause could be determined based on the provided information.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 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 history lot - a manufacturing record evaluation was performed for the finished article lot and no non-conformances were identified.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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