MAUDE Adverse Event Report: ZIMMER BIOMET, INC. NEXGEN ARTICULAR SURFACE REGULAR CONSTRAINT; PROSTHESIS, KNEE

Model Number	N/A
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	02/06/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that a patient had and initial tka.Subsequently, the patient underwent a revision surgery due to unknown reasons.Attempts have been made and no additional information has been provided.
Additional Manufacturer Narrative
(b)(4) d10: (b)(4), femoral component precoat size e minus (e-) right, 65857464 (b)(4), stemmed tibial component precoat size, j7954558 customer has indicated that the product will not be returned to zimmer biomet for investigation.Once the investigation has been completed, a follow-up mdr will be submitted.
Additional Manufacturer Narrative
(b)(4).This follow-up report is being submitted to relay additional information.The following sections were updated/corrected: b4; b5; d2; g1; g3; g6; h1; h2; h3; h4; h6; h10.The reported cannot be confirmed.No product was returned or pictures provided; visual and dimensional evaluations could not be performed.Review of the device history records identified no deviations or anomalies during manufacturing related to the reported event.Medical records were not provided.A definitive root cause cannot 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: NEXGEN ARTICULAR SURFACE REGULAR CONSTRAINT
• Common Device Name: PROSTHESIS, KNEE
• Manufacturer (Section D): ZIMMER BIOMET, INC.; 1800 w. center st.; warsaw IN 46580
• Manufacturer (Section G): ZIMMER ORTHOPAEDIC MFG. LTD.; building no 2 east park; shannon industrial estate; shannon, county clare
• Manufacturer Contact: jennifer rapsavage ; 56 e. bell dr.; warsaw, IN 46582 ; 5745260384
• MDR Report Key: 24559356
• Report Number: 0001822565-2026-00765
• Device Sequence Number: 9422091
• Product Code: JWH
• UDI-Device Identifier: 00889024644403
• UDI-Public: (01)00889024644403(17)300907(10)67516479
• Combination Product (Y/N): N
• Initial Reporter State: TN
• Initial Reporter Country: US
• PMA/510(K) Number: K173057
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Explanted Year: 2026
• 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): 06/05/2026

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?: No
• Operator of Device: Lay User/Patient
• Device Model Number: N/A
• Device Catalogue Number: 90597003012
• Device Lot Number: 67516479
• 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: 02/09/2026
• Supplement Date Received by Manufacturer: 05/27/2026
• Initial Report FDA Received Date: 03/10/2026
• Supplement Report FDA Received Date: 06/05/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/08/2025
• 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
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Sex: Unknown