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Investigation summary: investigation flow: damage: visual inspection: the exp ant.Mono, screwdriver shaft (p/n:287720100, lot # g0704) was returned and received at us cq.Upon visual inspection, threads were observed to be broken.There were scratches and slight discoloration on the device but has no impact on the functionality of the device.No other issues were observed with the returned device.Device failure/defect identified? yes.Dimensional inspection: no dimensional inspection can be performed due to post-manufacturing damage.Furthermore, the complaint relevant dimensions cannot be checked for dimensional accuracy, because of the design of the device.Document/specification review: the manufactured date of the device is unknown, reflecting the current drawing revision was reviewed.Complaint confirmed? the device received was broken.Hence confirming the allegation.Investigation conclusion: the complaint condition is confirmed for the exp ant.Mono, screwdriver shaft (p/n:287720100, lot # g0704).There is no indication that a design or manufacturing issue has caused the breakage and hence the root cause cannot be determined.The potential cause could be due to unintended forces applied to the threads.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: part number: 287720100, lot number: g0704.A manufacturing-related potential cause was not suspected, therefore, per franchise complaint product investigation procedure (b)(4) no manufacturing record evaluation is required.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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It was reported that on an unknown date, during routine incoming inspection of a loaner set, it was observed that the exp ant mono scrwdrvr shft had damaged threads.There was no patient involvement.This complaint involves one (1) device.This is 1 of 1 for report (b)(4).
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