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This follow-up report is being submitted to relay additional information.The following sections were updated: b4, b5, d4, d9, g3, g6, h2, h3, h4, h6, h11.A visual inspection was conducted on the qty one 201.047.15 blade lot number 1123101 and qty one 201.047.15 lot number 1122416.Both blades show signs of multiple uses including heavy marking and scratching on the blade surfaces.Further inspection shows that both blades have twisted/ bent.The complaint for both blades is confirmed.A determination cannot be made as to what caused the blades to twist/ bend.Review of the dhr's identified no deviations or anomalies.Supplier dhr reviews were not performed as products have approximate field ages of 1 and 2 years, with an unknown number of uses.Visual inspection shows signs of multiple uses included marking/ scratching on the product surface and there is no indication that a manufacturing deficiency occurred.Harm severity 1/2 non-reportable.A definitive root cause cannot be determined.The reported event is confirmed, based on product return.The device evaluation found that the device was not fractured, but rather bent/twisted.This is not a reportable malfunction and based on available information, the event did not contribute to patient injury.Therefore, this would not be considered a reportable 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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