MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRIATHLON PS X3 TIBIAL INSERT; PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER

Catalog Number	5532-G-309-E
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Unspecified Infection (1930)
Date of Event	11/26/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Review of the device history records indicate that devices were manufactured and accepted into final stock with no reported discrepancies.There have been no other events for the lot referenced.An evaluation of the device cannot be performed as the device was not returned to the manufacturer.Should additional information become available it will be reported in a supplemental report upon completion of the investigation.The following devices were also listed in this report: cat# 5515-f-201 triathlon ps fem component cemented; lot# rae6r.Cat# 5520-b-300 triathlon prim tib bplate cemented sz 3; lot# lal9sb.Cat# 5550-g-298-e triathlon symmetric x3 patella; lot# 62x9.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.
Event or Problem Description
The following information was provided: the patient had an index left tka on (b)(6) 2023.The patient developed pji and was revised on (b)(6) 2024.Only the poly was exchanged.

• Brand Name: TRIATHLON PS X3 TIBIAL INSERT
• Common Device Name: PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer Contact: joann ripoli ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 23783699
• Report Number: 0002249697-2025-01455
• Device Sequence Number: 5081483
• Product Code: JWH
• UDI-Device Identifier: 07613327337945
• UDI-Public: 07613327337945
• Combination Product (Y/N): N
• Initial Reporter State: PA
• Initial Reporter Country: US
• PMA/510(K) Number: K242831
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2024
• Reporter Type: Manufacturer
• Report Source: Study
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 12/11/2025

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 Expiration Date: 04/30/2026
• Device Catalogue Number: 5532-G-309-E
• Device Lot Number: A94ML5
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 11/26/2025
• Initial Report FDA Received Date: 12/11/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/05/2021
• 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; Hospitalization
• Patient Age: 70 YR
• Patient Sex: Female
• Patient Weight: 82 KG