MAUDE Adverse Event Report: MEDACTA INTERNATIONAL SA GMK PRIMARY TOTAL KNEE SYSTEM; TIBIAL TRAY FIX CEMENTED S.2R

Model Number	02.07.1202R
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Loss of Range of Motion (2032)
Date of Event	02/02/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Batch review performed on 09 february 2026.Gmk-sphere 02.07.1202r tibial tray fix cemented s.2r (k090988) lot 2408899: (b)(4) items manufactured and released on 07-aug-2024.Expiration date: 2029-07-25.No anomalies found related to the problem.To date, 39 items of the same lot have been sold with no similar reported events during the period of review.Gmk-sphere 02.12.0002r femoral component sphere cemented size 2 r (k121416) lot 2248723: (b)(4) items manufactured and released on 15-march-2023.Expiration date: 2028-02-24.No anomalies found related to the problem.To date, 24 items of the same lot have been sold with no similar reported events during the period of review.Gmk-sphere 02.12.E001rp gmk-sphere resurfacing patella e-cross - s1 (k202022) lot 2348328: (b)(4) items manufactured and released on 29-feb-2024.Expiration date: 2029-02-13.No anomalies found related to the problem.To date, 112 items of the same lot have been sold with no similar reported events during the period of review.Gmk-sphere 02.12.E0210fr gmk-sphere tibial insert e-cross - flex 2r - 10mm (k202022) lot 2409124: (b)(4) items manufactured and released on 29-april-2024.Expiration date: 2029-04-12.No anomalies found related to the problem.To date, 11 items of the same lot have been sold with no similar reported events during the period of review.Root cause: the development of stiffness of the joint is a rather commonly described possible complication following tka and there is no indication that any potential issue with the device may have caused or contributed to the event.
Event or Problem Description
At about 1 year 3 months after the primary, the patient came in due to stiffness and the cause is unknown.The surgeon revised the tibial tray, insert, and femoral component from gmk-sphere to gmk-revision.The surgeon also revised the patella to a same size patella.The surgery was completed successfully.

• Brand Name: GMK PRIMARY TOTAL KNEE SYSTEM
• Common Device Name: TIBIAL TRAY FIX CEMENTED S.2R
• Manufacturer (Section D): MEDACTA INTERNATIONAL SA; strada regina; castel san pietro 6874 ; SZ 6874
• Manufacturer Contact: marco giannessi ; strada regina; castel san pietro 6874 ; SZ 6874
• MDR Report Key: 24454901
• Report Number: 3005180920-2026-00153
• Device Sequence Number: 21324351
• Product Code: JWH
• UDI-Device Identifier: 07630030819872
• UDI-Public: 07630030819872
• Combination Product (Y/N): N
• PMA/510(K) Number: K090988
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 02/26/2026

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?: No
• Operator of Device: Health Professional
• Device Model Number: 02.07.1202R
• Device Lot Number: 2408899
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/02/2026
• Initial Report FDA Received Date: 02/26/2026
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 08/07/2024
• 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
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 57 YR
• Patient Sex: Unknown