MAUDE Adverse Event Report: DEPUY ORTHOPAEDICS INC US SIGMA; SIGMA REVISION IMPLANT : KNEE TIBIAL INSERT

Catalog Number	962334
Medical Device Problem Code	Device Dislodged or Dislocated (2923)
Health Effect - Clinical Codes	Fall (1848); Joint Dislocation (2374)
Date of Event	03/05/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that patient had a sigma tc3 left knee revision done over 10 years ago.The surgeon does not have the record for it.Back in (b)(6) patient fell and dislocated the tc3 poly and on (b)(6) 2026 patient's tc3 poly was revised to a thicker poly.However, the patient fell again recently, dislocating the tc3 poly again, so the surgeon revised again by removing the tc3 femur, leaving the sleeve and stem in place and cemented in a srom hinge femur with a thicker poly.Doi: (b)(6) 2026, dor: (b)(6) 2026, affected side-left knee.This report is related to (b)(4) which captures the previous revision performed on (b)(6) 2026.
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 medwatch, a follow-up medwatch will be filed as appropriate.
Additional Manufacturer Narrative
Product complaint #(b)(4).Investigation summary: no device associated with this report was received for examination.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 records evaluation (mre) was not perform.As part of our company quality system process, all devices are manufactured, inspected, and distributed to approved specifications.Additional complaint information monitoring for potential safety signals will be conducted through complaint trending as part of the post-market surveillance.If additional information is made available, the investigation will be updated as applicable.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.

• Brand Name: SIGMA
• Common Device Name: SIGMA REVISION IMPLANT : KNEE TIBIAL INSERT
• Manufacturer (Section D): DEPUY ORTHOPAEDICS INC US; 700 orthopaedic drive; warsaw IN 46581 0988
• Manufacturer (Section G): JTE WARSAW MFG SITE; 700 orthopaedic drive; warsaw IN 46582
• Manufacturer Contact: elba bello ; 700 orthpaedic dr.; warsaw, IN 46581 ; 9083863534
• MDR Report Key: 24691320
• Report Number: 1818910-2026-05252
• Device Sequence Number: 9726530
• Product Code: NJL
• UDI-Device Identifier: 10603295242154
• UDI-Public: (01)10603295242154(17)280831(10)M46P74
• Combination Product (Y/N): N
• Initial Reporter State: WA
• Initial Reporter Country: US
• PMA/510(K) Number: P830055
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Device Explanted Year: 2026
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional,Company Representative
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup

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?: Yes
• Operator of Device: Health Professional
• Device Catalogue Number: 962334
• Device Lot Number: M46P74
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 03/09/2026
• Supplement Date Received by Manufacturer: 03/30/2026
• Initial Report FDA Received Date: 03/25/2026
• Supplement Report FDA Received Date: 03/31/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 09/11/2023
• 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