Concomitant medical products: femoral component option for cemented use only size d left catalog# 00599601451, lot# 63261437, tibial component stemmed precoat use of this tibial component with legacy knee - constrained condylar knee (lcck) articulating surfaces requires using catalog# 00598003701, lot# 63171975, articular surface use with lps/lps-flex 51 or 52 suffix femorals size cd 12 mm height catalog# 00596203012, lot# 62976399.Complaint sample was evaluated and the reported event was confirmed.Visual inspection of the returned articular surface found the dovetail feature was flared out; one side is compressed.Some scratches and gouges were found on the part.Dhr was reviewed and no discrepancies were found.It is considered that the issue was not caused by the mating tibial component as there was no report of it having to be replaced during surgery.The damage of the dovetail observed on the returned articular surface indicates that it was not correctly placed and oriented before pushing it using the inserter instrument.It is likely that the problem encountered is related to surgical technique.A summary of the investigation was sent to the complainant conveying proper surgical technique and use of the device.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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