MAUDE Adverse Event Report: BIOMET UK LTD. OXFORD BEARING; PROSTHESIS, KNEE

Model Number	N/A
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Codes	Failure of Implant (1924); Joint Dislocation (2374); Foreign Body In Patient (2687)
Date of Event	09/09/2024
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).G3: report source united kingdom user report 2024/010/017/501/012.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 a patient underwent a right knee revision due to dislocation of the bearing.During the surgery, the surgeon was unable to locate the bearing behind the knee and opted to leave the product somewhere in the patient.A new bearing was implanted without complications.There is no reported harm or injury to the patient because of the retained implant.Attempts have been made and additional information on the reported event is unavailable at this time.
Additional Manufacturer Narrative
(b)(4).This follow-up report is being submitted to relay additional information.The following sections were updated: b4, g3, g6, h2, h3, h6, h11.No product was returned or pictures provided; visual and dimensional evaluations could not be performed.A review of the device manufacturing records confirmed no abnormalities or deviations.Review of the complaint history found no additional related complaints for this item and the reported part and lot combination.Based on the available information, the reported event cannot be confirmed.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 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 BEARING
• Common Device Name: PROSTHESIS, KNEE
• Manufacturer (Section D): BIOMET UK LTD.; waterton industrial estates; bridgend CF31 3XA; UK CF31 3XA
• Manufacturer (Section G): BIOMET UK LTD.; waterton industrial estates; bridgend CF31 3XA; UK CF31 3XA
• Manufacturer Contact: christina arnt ; 56 e. bell dr.; warsaw, IN 46582 ; 5745273773
• MDR Report Key: 20652988
• Report Number: 3002806535-2024-00421
• Device Sequence Number: 6681935
• Product Code: NRA
• UDI-Device Identifier: 05019279786305
• UDI-Public: (01)05019279786305(17)270627(10)7280051
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2024
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 01/10/2025

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 Model Number: N/A
• Device Catalogue Number: 159584
• Device Lot Number: 7280051
• 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: 10/18/2024
• Supplement Date Received by Manufacturer: 01/03/2025
• Initial Report FDA Received Date: 11/11/2024
• Supplement Report FDA Received Date: 01/10/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 06/27/2022
• 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: UNKNOWN FEMORAL.; UNKNOWN TIBIA.
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Sex: Unknown