MAUDE Adverse Event Report: BIOMET UK LTD. OXFORD ANAT BRG RT LG SIZE 3 PMA; PROSTHESIS, KNEE

Catalog Number	159582
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Code	Hemarthrosis (4889)
Date of Event	10/08/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
(b)(4).D10 - associated medical devices: oxf uni cmntls tib sz d rm; item# 166577; lot# 66889194.Oxf twin peg cmntls fmrl lg; item# 161475; lot# 67115625.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 approximately fifteen weeks after the initial partial knee replacement surgery, the patient underwent a revision surgery.During the revision surgery, the bearing was found to be dislocated and hemarthrosis was noted.Revision components were placed without any known complications.Attempts have been made and no further information has been provided at the time of this report.
Additional Manufacturer Narrative
(b)(4).This follow-up report is being submitted to relay additional information.The following sections were updated: b4, b5, 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.Review of the complaint history identified additional similar complaints for the reported item and no additional similar complaints for the reported part and lot combination.Complaints are monitored per complaint trending process.Medical records were provided and reviewed by a health care professional.Review of the available records identified the following: the mobile-bearing is found to be dislocated it was found in the suprapatellar pouch.There was hemarthrosis.The tibial and femoral components were well-positioned and well-fixed.Acl and medial collateral ligament are intact.There was a chronic tear involving the posterior horn of the lateral meniscus.There is a hemarthrosis.There is suture within the quadricep tendon consistent with the patient's history of previous quadricep tendon repair.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 is available at the time of this report.

• Brand Name: OXFORD ANAT BRG RT LG SIZE 3 PMA
• Common Device Name: PROSTHESIS, KNEE
• Manufacturer (Section D): BIOMET UK LTD.; waterton industrial estates; bridgend
• Manufacturer (Section G): BIOMET UK LTD.; waterton industrial estates; bridgend
• Manufacturer Contact: jennifer rapsavage ; 56 e. bell dr.; warsaw, IN 46582 ; 5745260384
• MDR Report Key: 23451318
• Report Number: 3002806535-2025-00525
• Device Sequence Number: 21073061
• Product Code: NRA
• UDI-Device Identifier: 05019279786282
• UDI-Public: (01)05019279786282(17)290923(10)66951178
• Combination Product (Y/N): N
• Initial Reporter State: PA
• Initial Reporter Country: US
• 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: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 03/26/2026

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: 159582
• Device Lot Number: 66951178
• 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: 10/08/2025
• Supplement Date Received by Manufacturer: 03/23/2026
• Initial Report FDA Received Date: 11/03/2025
• Supplement Report FDA Received Date: 03/26/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/23/2024
• 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: Male
• Patient Weight: 115 KG