MAUDE Adverse Event Report: DEPUY IRELAND - 3015516266 ATT THEMIS BAL TIB TOWER RT; SIZING/MEASURING INSTRUMENTS

Catalog Number	254506004
Medical Device Problem Code	Device-Device Incompatibility (2919)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	12/18/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Product complaint # (b)(4).This report is being submitted pursuant to the provisions of 21 cfr, part 803 (and/or part 4, as applicable).This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by depuy synthes, or its employees that the report constitutes an admission that the product, depuy synthes, or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.H11: additional narrative: d4: udi: as the lot number for the device involved in the event was not provided, the full udi is currently not available.
Event or Problem Description
It was reported that right tibial tower is slipping slightly when tensioned.Not grabbing where it should be set.It did not happen in surgery.
Additional Manufacturer Narrative
Product complaint # (b)(4).This report is being submitted pursuant to the provisions of 21 cfr, part 803.This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by depuy synthes joint reconstruction, or its employees that the report constitutes an admission that the product, depuy synthes joint reconstruction, or its employees caused or contributed to the potential event described in this report.H11 additional narrative: added: d9.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.
Additional Manufacturer Narrative
Product complaint #(b)(4).Investigation summary: it was reported that right tibial tower is slipping slightly when tensioned.Not grabbing where it should be set.It did not happen in surgery.The product was returned to depuy synthes for evaluation.Visual inspection of the returned device found nothing indicative of a device nonconformance.Device only displays signs of repetitive use.A partial functional test was performed since mating device was not returned for a proper evaluation.The red lever was pressed and no anomalies that could have contributed to the reported issue were identified.A dimensional inspection was not performed since it was not applicable to the complaint condition.The overall complaint was not confirmed as the observed condition of the att themis bal tib tower rt would have not contributed to the complained device issue.Based on the investigation findings, it has been determined that no corrective and/or preventative action is proposed.There is no indication that a design or manufacturing issue has caused the reported complaint condition.As part of depuy synthes quality process, all devices are manufactured, inspected, and released to approved specifications.Additional monitoring for any potential safety signals will be conducted through complaint trending and other post-market safety surveillance activities.Device history lot: the product investigation found no evidence suspecting an error in the manufacturing or material that would be a contributing factor in the reported allegation(s).A manufacturing records evaluation (mre) was not performed.Corrected: h3.

• Brand Name: ATT THEMIS BAL TIB TOWER RT
• Common Device Name: SIZING/MEASURING INSTRUMENTS
• Manufacturer (Section D): DEPUY IRELAND - 3015516266; loughbeg ringaskiddy co.; cork ; EI
• Manufacturer Contact: elba bello ; 700 orthopaedic dr.; warsaw, IN 46581 ; 9083863534
• MDR Report Key: 23958223
• Report Number: 1818910-2026-00071
• Device Sequence Number: 12168843
• Product Code: HWT
• UDI-Device Identifier: 10603295496984
• UDI-Public: (01)10603295496984(10)CV229809
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: EXEMPT
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 01/05/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 254506004
• Device Lot Number: CV229809
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 12/18/2025
• Supplement Date Received by Manufacturer: 01/06/2026; 01/19/2026
• Initial Report FDA Received Date: 01/05/2026
• Supplement Report FDA Received Date: 01/07/2026; 01/20/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 02/28/2023
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Unknown
• Patient Sequence Number: 1
• Patient Sex: Unknown