MAUDE Adverse Event Report: SMITH & NEPHEW, INC. GEN II RESURF PATELLA 38MM; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL

Catalog Number	71926225
Medical Device Problem Code	Loss of Osseointegration (2408)
Health Effect - Clinical Codes	Fall (1848); Pain (1994)
Date of Event	03/30/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that, after a tka, a patient fell onto knee and had anterior knee pain.The surgeon ordered x-ray and it was observed that a gen ii resurf patella 38mm had lost fixation from the patella.This adverse event was treated by revision surgery on (b)(6) 2026 in which the patella was resurfaced using a gns ii biconvex pat 32mm, a radical synovectomy was performed to treat potential infection, and a lgn ps high flex xlpe sz 7-8 12mm was changed for a lgn ps high flex xlpe sz 7-8 13mm.The outcome and current status of the patient is unknown.
Additional Manufacturer Narrative
Internal complaint reference: (b)(4).This complaint was opened by smith+nephew to document a patient complication related to a product problem with a smith+nephew device.The reported issue(s) relate to known risks with the device itself or with its use that are appropriately documented in our risk files.Smith+nephew will continue to monitor trends in accordance with our post-market surveillance process and take necessary action as required if anticipated severity and/or occurrence rates are exceeded.Smith+nephew has no reason to suspect that the product failed to meet any specifications at the time of manufacture.Based on our review of all currently available information, we are unable to identify a definitive root cause.However, as the use of our product cannot be excluded as a potential cause or contributory factor to the reported issue, we are submitting this report in accordance with applicable regulations.If additional investigative findings or information becomes available that alters the conclusions of this report, a follow-up report will be submitted as required.

• Brand Name: GEN II RESURF PATELLA 38MM
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• Manufacturer (Section G): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• Manufacturer Contact: holly topping ; 1450 brooks rd.; memphis, TN 38116 ; 5123913905
• MDR Report Key: 24940134
• Report Number: 1020279-2026-00541
• Device Sequence Number: 14858892
• Product Code: JWH
• UDI-Device Identifier: 00885556043998
• UDI-Public: 885556043998
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K951987
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 04/21/2026

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: Health Professional
• Device Catalogue Number: 71926225
• Device Lot Number: 19LM10231
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/30/2026
• Initial Report FDA Received Date: 04/21/2026
• Date Device Manufactured: 11/15/2019
• 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: 71420572, 20KM06646; 71453233, 23KM17016
• Outcome Attributed to Adverse Event: Hospitalization; Required Intervention
• Patient Sex: Unknown