Cmp-(b)(4).The following report is submitted to relay additional and corrected information.(b)(4).Concomitant products: patella reamer surfacing guide with coating 51 mm diameter, lot#52319700, item#00512007151.Products was returned; the reported event is confirmed as the visual inspection identified scratches on outer diameter and near the slots.Dimensional inspection found that the inner and outer diameters were conforming to print specifications.Device history record (dhr) was reviewed and no discrepancies relevant to the reported event were found.Review of the complaint history determined that no further action is required.From the analysis of the positioning of reamer blade in guide it was noted that, an angulation of 5 to 6 degrees of blade with reference to guide will cause the blade to strike in the guide.A definitive root cause cannot be determined by the information provided.No corrective actions, preventive actions, or field actions resulted after investigation of this event.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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