Part #: 319.006.Synthes lot #: 6219737.Supplier lot #: n/a.Release to warehouse date: 10 sep 2009.Manufactured by: (b)(4).No ncr's generated during production.Visual inspection: the depth gauge for 2.0mm and 2.4mm screws (p/n 319.006, lot number: 6219737) was received at us customer quality (cq).Visual inspection of the complaint device showed the needle component of the device was slightly bent.Also, the device was received assembled with an unknown spring and shaft.Functional test: a functional assessment was performed as the device was received assembled with unknown spring and shaft due to which the device was not functioning as intended.The differences in the components indicate the customer had potentially disassembled the device for cleaning and sterilization and mixed up the component with other device components when reassembling them.Can the complaint be replicated with the returned device(s)? yes.Dimensional inspection: measured dimensions: needle diameter = conforming documentation/ specification review: the following drawing(s) was reviewed: depth gauge for 2.0/ 2.4mm screws, needle, body, no design issues or discrepancies were found during this investigation.Complaint confirmed? yes.Investigation conclusion: the overall complaint was confirmed as the device was received assembled with unknown spring and shaft due to which the device was not functioning as intended.No definitive root cause could be determined based on the provided information.The potential cause for the functional issue could be due to the unintended mixed up during cleaning and sterilization process.There was no indication that a design or manufacturing issue contributed to the complaint.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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