MAUDE Adverse Event Report: MEDACTA INTERNATIONAL SA GMK SPHERIKA CEMENTLESS; GMK SPHERIKA FEMUR POROUS TIGROWTHC+HA S6+R

Model Number	02.12.KA176R
Medical Device Problem Code	Device Appears to Trigger Rejection (1524)
Health Effect - Clinical Code	Medical device site infection (4845)
Date of Event	12/16/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Batch review performed on 18 december 2025.Gmk-spherika 02.12.Ka176r gmk spherika femur porous tigrowthc+ha s6+r (k223548) lot 2425406: (b)(4) items manufactured and released on 22-jan-2025.Expiration date: 09-jan-2030.No anomalies found related to the problem.To date, (b)(4) items of the same lot have been sold with no similar reported event during the period of review.Gmk-spherika 02.12.E0610fr gmk-sphere tibial insert e-cross - flex 6r - 10mm (k202022) lot 2337149: (b)(4) items manufactured and released on 16-oct-2023.Expiration date: 26-sep-2028.No anomalies found related to the problem.To date, (b)(4) items of the same lot have been sold with no similar reported event during the period of review.Gmk-spherika 02.12.3d06r gmk 3dmetal tibial tray size 6r (k221850) lot 2339135: (b)(4) items manufactured and released on 23-jan-2024.Expiration date: 08-jan-2029.No anomalies found related to the problem.To date, (b)(4) items of the same lot have been sold with no similar reported event during the period of review.Root cause:infection is a known possible complication of any surgery.Although no root cause can be established, there is no indication that any issue with the device may have caused or contributed to the event, and the document review does not indicate any potential manufacturing related cause.
Event or Problem Description
At about 1 week from the primary, the patient came in due to signs of infection and the pathogen is unknown.The surgeon performed a washout and revised the femoral component, poly and tibial tray.The surgery was completed successfully.

• Brand Name: GMK SPHERIKA CEMENTLESS
• Common Device Name: GMK SPHERIKA FEMUR POROUS TIGROWTHC+HA S6+R
• 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: 23886583
• Report Number: 3005180920-2025-01316
• Device Sequence Number: 4707132
• Product Code: MBH
• UDI-Device Identifier: 07630345799395
• UDI-Public: 07630345799395
• Combination Product (Y/N): N
• PMA/510(K) Number: K223548
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• Device Explanted Year: 2025
• 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): 12/23/2025

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?: No
• Operator of Device: Health Professional
• Device Model Number: 02.12.KA176R
• Device Lot Number: 2425406
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 12/16/2025
• Initial Report FDA Received Date: 12/24/2025
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 01/22/2025
• 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
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 54 YR
• Patient Sex: Male