MAUDE Adverse Event Report: BIOMET UK LTD. OXFORD UNI TIB TRAY SZ B LM PMA; KNEE PROSTHESIS

Catalog Number	154720
Medical Device Problem Code	Implant subsidence (4078)
Health Effect - Clinical Code	Failure of Implant (1924)
Date of Event	05/22/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).D10: oxf anat brg lt sm size 3 pma; item number#: 159540; lot number#: 7707805.Oxford uni twin-peg femoral sm; item number#: 166941; lot number#: j7150986.G2 ¿ foreign ¿ australia.The device will not be returned for analysis; however, an investigation of the reported event is in progress.Once the investigation is completed, a supplemental medwatch 3500a will be submitted.
Event or Problem Description
It was reported that the patient underwent knee revision surgery due to subsidence of the tibial tray, approximately 3 months and 2 days post-implantation.Attempts have been made, and all additional information received has been included in this report.
Additional Manufacturer Narrative
This follow-up report is being submitted to relay additional and/or corrected information.The following sections were updated: b4, b5, d1, g3, g6, h2, h3, h6, h11.No product was returned or pictures provided; a product evaluation could not be performed.A review of the device manufacturing records confirmed no abnormalities or deviations that could be related to the reported event.The reported products were reviewed for compatibility with no issues noted.Review of the complaint history found no additional related complaints for this item and the reported part and lot combination.A definitive root cause could not be determined.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
Event or Problem Description
No further event information available at the time of this report.

• Brand Name: OXFORD UNI TIB TRAY SZ B LM PMA
• Common Device Name: KNEE PROSTHESIS
• Manufacturer (Section D): BIOMET UK LTD.; waterton industrial estates; bridgend
• Manufacturer (Section G): BIOMET UK LTD.; waterton industrial estates; bridgend CF31 3XA; UK CF31 3XA
• Manufacturer Contact: jennifer rapsavage ; 56 e. bell dr.; warsaw, IN 46582 ; 5745260384
• MDR Report Key: 22182904
• Report Number: 3002806535-2025-00231
• Device Sequence Number: 8799265
• Product Code: NRA
• UDI-Device Identifier: 05019279388868
• UDI-Public: (01)05019279388868(17)320127(10)7182190
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: P010014
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2025
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 09/29/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Catalogue Number: 154720
• Device Lot Number: 7182190
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Was the Report Sent to FDA?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/22/2025
• Supplement Date Received by Manufacturer: 09/19/2025
• Initial Report FDA Received Date: 06/11/2025
• Supplement Report FDA Received Date: 09/29/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/27/2022
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: SEE H11 NARRATIVE.
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention
• Patient Sex: Unknown