MAUDE Adverse Event Report: Medacta International SA Mpact Acetabular System; Flat PE HC liner Ø40/F

Model Number	01.32.4048HCT
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Code	Joint Dislocation (2374)
Date of Event	08/14/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
Revision surgery due to joint luxation after about 2 months from primary.The surgeon revised the proximal body, biolox head and liner along with a dm converter.The surgery was completed successfully.
Additional Manufacturer Narrative
Batch review performed on 24 august 2026: mpact 01.32.4048hct flat pe hc liner d 40/f (k122641) lot.2533183: (b)(6) items manufactured and released on 03-feb-2026.Expiration date: 2031-jan-13.No anomalies found related to the problem.To date, (b)(6) items of the same lot have been sold with no similar reported event during the period of review.Mectacer 01.29.215 mectacer head biolox delta dia.40 12/14-xl (k112115) lot.2111141: (b)(6) items manufactured and released on 16-dec-2021.Expiration date: 2026-dec-01.No anomalies found related to the problem.To date, (b)(6) 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.

• Brand Name: Mpact Acetabular System
• Common Device Name: Flat PE HC liner Ø40/F
• 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: 50474971
• Report Number: 3005180920-2026-00902
• Device Sequence Number: 21431495
• Product Code: LZO
• UDI-Device Identifier: 07630030812262
• UDI-Public: 07630030812262
• Combination Product (Y/N): N
• PMA/510(K) Number: K122641
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Type of Report: Initial
• Report Date (Section B): 08/27/2026

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: 01.32.4048HCT
• Device Lot Number: 2533183
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/14/2026
• Initial Report FDA Received Date: 08/27/2026
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 02/03/2026
• 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: 73 YR
• Patient Sex: Female
• Patient Weight: 220 LB
• Patient Race: Black Or African American