MAUDE Adverse Event Report: MEDACTA INTERNATIONAL SA GMK-SPHERE TIBIAL INSERT FIXED SPHERE FLEX SIZE 6/20 MM L; KNEE TIBIAL INSERT

Model Number	02.12.0620FL
Medical Device Problem Code	Appropriate Device Problem Term/Code Not Available (3191)
Health Effect - Clinical Codes	Loss of Range of Motion (2032); Scar Tissue (2060)
Date of Event	04/03/2023
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Batch review performed on (b)(6) 2023: lot 2005793: (b)(4)items manufactured and released on 06-aug-2020.Expiration date: 2025-07-22.No anomalies found related to the problem.To date, (b)(4) items of the same lot have been sold without any similar reported event during the period of review.Clinical evaluation performed by medacta medical affairs director: this tka patient had a former tkr which got infected.Few months after two-stage revision (which was the object of a former report), the scar tissue prevents full extension.The surgeon opens the joint and proceeds to removing the obstructing tissue; during this operation, as customary, the pe insert is exchanged to a new one, although there was no malfunction.
Event or Problem Description
The patient had a primary knee surgery on (b)(6) 2022.On (b)(6) 2022, the patient came in due to signs of an infection and the pathogen is unknown.The surgeon removed all components and implanted an antibiotic spacer.The surgery was completed successfully.On (b)(6)2022, the patient came in and had the spacer removed and was implanted with permanent hardware.The surgery was completed successfully.Presently, on (b)(6) 2023, the patient came in reporting pain due to the inability to come to full extension due to the development of excess scar tissue.The surgeon performed an i&d (incision& drainage) and swapped the poly (20 mm to 17 mm).The surgery was completed successfully.

• Brand Name: GMK-SPHERE TIBIAL INSERT FIXED SPHERE FLEX SIZE 6/20 MM L
• Common Device Name: KNEE TIBIAL INSERT
• Manufacturer (Section D): MEDACTA INTERNATIONAL SA; strada regina; castel san pietro, switzerland 6874 ; SZ 6874
• Manufacturer (Section G): MEDACTA INTERNATIONAL SA; strada regina; castel san pietro, switzerland 6874 ; SZ 6874
• Manufacturer Contact: marco giannessi ; strada regina; castel san pietro, switzerland 6874 ; SZ 6874
• MDR Report Key: 16859104
• Report Number: 3005180920-2023-00324
• Device Sequence Number: 17858914
• Product Code: JWH
• UDI-Device Identifier: 07630030827099
• UDI-Public: 07630030827099
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K121416
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2022
• Device Explanted Year: 2023
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other
• Initial Reporter Occupation: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 05/03/2023

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 Expiration Date: 07/22/2025
• Device Model Number: 02.12.0620FL
• Device Catalogue Number: 02.12.0620FL
• Device Lot Number: 2005793
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/03/2023
• Initial Report FDA Received Date: 05/03/2023
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 08/06/2020
• 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 Sex: Male