MAUDE Adverse Event Report: MEDACTA INTERNATIONAL SA SHOULDER SYSTEM; HUMERAL REVERSE HC LINER Ø36/+6MM

Model Number	04.01.0121
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Codes	Joint Laxity (4526); Implant Pain (4561)
Date of Event	04/02/2026
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Batch review performed on 07 apr 2026 reverse shoulder system 04.01.0121 humeral reverse hc liner d 36/+6mm (k170452) lot 2317081: (b)(4) items manufactured and released on 22/nov/2023.Expiration date: 2028-nov-06.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.Reverse shoulder system 04.01.0169 glenosphere - d 36x24.5 (k170452) lot.2503223: (b)(4) items manufactured and released on 17-apr-2025.Expiration date: 2030-apr-02.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: based on the information available no definitive root cause can be established, while there is no indication that any potential issue with the device may have caused or contributed to the event, and the device history record review does not indicate any potential manufacturing related issue.
Event or Problem Description
At 7 monthsfrom primary, the patient came in presenting shoulder pain and instability and the cause is unknown.There were no indications of trauma.During open exploration surgery, the surgeon observed that the glenosphere was unstable.The surgeon revised the glenosphere and increased lateralization to increase stability.The surgeon also revised the d 36/+6 liner to a constrained liner of the same size.The surgery was completed successfully.

• Brand Name: SHOULDER SYSTEM
• Common Device Name: HUMERAL REVERSE HC LINER Ø36/+6MM
• 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: 25012260
• Report Number: 3005180920-2026-00375
• Device Sequence Number: 21432456
• Product Code: PHX
• UDI-Device Identifier: 07630040706285
• UDI-Public: 07630040706285
• Combination Product (Y/N): N
• PMA/510(K) Number: K170452
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2025
• 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): 04/28/2026

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: 04.01.0121
• Device Lot Number: 2317081
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 04/02/2026
• Initial Report FDA Received Date: 04/28/2026
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 11/22/2023
• 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