(b)(4).D10: cat# 00620005422, lot# 61079419 shell porous with cluster holes 54 mm o.D.Cat# 00631005032, lot# 61049684 liner 10 degree elevated rim 32 mm i.D.For use with 50/52/54 mm o.D.Shells.Cat# 00625006540, lot# 61077248 bone scr 6.5x40 self-tap.Cat# 00625006520, lot# 61070811 bone scr 6.5x20 self-tap.H6: proposed component code: mechanical (g04)- head.Multiple mdr reports were filed for this event, please see associated reports: 0001822565-2019-03164.Visual examination of the returned product identified dark debris and a circumferential groove pattern is seen on surface of the conical taper of the head.The stem remains implanted.The head was submitted for further analysis.Analysis determined a consensus modified goldberg score of 3.A score of 3 corresponds to ¿fretting on >30% of the surface and/or aggressive local corrosion attack with corrosion debris" review of the device history records identified no deviations or anomalies during manufacturing.Medical records were not provided.A definitive root cause cannot be determined.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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