(b)(4).Medical product: vanguard xp lateral tibial bearing, cat#: 195814 lot#: 074680.Vanguard xp medial tibial bearing, cat#: 195884 lot#: 074760.Vanguard xp tibial tray, cat#: 195754 lot#: 183440.Customer has indicated that the product will not be returned to zimmer biomet for investigation, as the product remains implanted.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.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.Remains implanted.
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