MAUDE Adverse Event Report: MEDACTA INTERNATIONAL SA SHOULDER SYSTEM; HUMERAL REVERSE HC LINER Ø36/+3MM

Model Number	04.01.0120
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Code	Joint Dislocation (2374)
Date of Event	02/06/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
At about 3 months from the primary, the patient came in due to a dislocation of the humerus and glenosphere and the cause of the dislocation is unknown.The surgeon performed a swap of the hc liner d 36/+3 to a constrained e-cross d 36/+3 liner.The surgery was completed successfully.
Additional Manufacturer Narrative
Batch review performed on 10 february 2026.Reverse shoulder system 04.01.0120 humeral reverse hc liner d 36/+3mm (k170452) lot 2429908: (b)(4) items manufactured and released on 24-feb-2025.Expiration date: 10-feb-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.Reverse shoulder system 04.01.0169 glenosphere - d 36x24.5 (k170452) lot 2512148: (b)(4) items manufactured and released on 21-jun-2025.Expiration date: 06-jun-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.Root cause: implant dislocation is a possible literature-described adverse event after primary joint arthroplasties and causes are often unknown.There is no indication that any potential issue with the device may have caused or contributed to the event.No previous case has been addressed to a device design or manufacturing related root cause.

• Brand Name: SHOULDER SYSTEM
• Common Device Name: HUMERAL REVERSE HC LINER Ø36/+3MM
• 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: 24454891
• Report Number: 3005180920-2026-00178
• Device Sequence Number: 21324349
• Product Code: PHX
• UDI-Device Identifier: 07630040706278
• UDI-Public: 07630040706278
• 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): 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: 04.01.0120
• Device Lot Number: 2429908
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/06/2026
• Initial Report FDA Received Date: 02/26/2026
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 02/24/2025
• 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 Sex: Male