MAUDE Adverse Event Report: MEDACTA INTERNATIONAL SA GMK-SPHERE TIBIAL INSERT FIXED SPHERE FLEX SIZE 4/11 MM L E-CROSS; KNEE TIBIAL INSERT

Catalog Number	02.12.E0411FL
Medical Device Problem Code	Appropriate Device Problem Term/Code Not Available (3191)
Health Effect - Clinical Code	Joint Laxity (4526)
Date of Event	03/18/2024
Type of Reportable Event	Serious Injury
Event or Problem Description
Revision surgery was performed about 3 months after the primary surgery due to the patient's natural patella shifting laterally.The surgeon resurfaced the natural patella and upsized the poly to address minor instability.The cause of the instability is unknown.
Additional Manufacturer Narrative
Batch review performed on 10 april 2024: lot 2317660: (b)(4) items manufactured and released on 08-aug-2023.Expiration date: 2028-07-25.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.

• Brand Name: GMK-SPHERE TIBIAL INSERT FIXED SPHERE FLEX SIZE 4/11 MM L E-CROSS
• 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: 19085956
• Report Number: 3005180920-2024-00235
• Device Sequence Number: 17917194
• Product Code: JWH
• UDI-Device Identifier: 07630971261792
• UDI-Public: 07630971261792
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K202022
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2024
• 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): 04/11/2024

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 Catalogue Number: 02.12.E0411FL
• Device Lot Number: 2317660
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 03/18/2024
• Initial Report FDA Received Date: 04/11/2024
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 08/08/2023
• 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: Female