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A review of the device history record has been completed.No deviations or non-conformance noted.Device evaluation: visual analysis of the returned device identified: broken shell, underweight, non-penetrating nicks.A microscopic analysis was performed which identify sharp edge and with non-penetrating nicks assessed as surgical impact opening on posterior side.A dimension measurement in the shell was performed which identify the thickness within specification.Based on the device analysis the final assessment is: a sharp edge opening with non-penetrating nicks due to surgical impact.Non-penetrating nicks.Further information from the reporter regarding event, product, or patient details has been requested.No additional information is available at this time.Reason for reoperation: rupture.This is a known potential adverse event addressed in the product labeling.
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