MAUDE Adverse Event Report: Stryker Orthopaedics-Mahwah TRIATHLON PRIM TIB BASEPLATE - CEMENTED; Prosthesis, knee, patello/femorotibial, semi-constrained, uncemented, porous, co

Catalog Number	5520-B-400
Medical Device Problem Code	Loss of Osseointegration (2408)
Health Effect - Clinical Code	Inadequate Osseointegration (2646)
Date of Event	07/28/2026
Type of Reportable Event	Serious Injury
Event or Problem Description
Second revision tka.Reason for revision: loosening.Outcome: all implants removed, ts femur implanted, universal baseplate implanted, ts insert implanted.
Additional Manufacturer Narrative
Review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.There have been no other similar events for the lot referenced.

• Brand Name: TRIATHLON PRIM TIB BASEPLATE - CEMENTED
• Common Device Name: Prosthesis, knee, patello/femorotibial, semi-constrained, uncemented, porous, co
• Manufacturer (Section D): Stryker Orthopaedics-Mahwah; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): Stryker Orthopaedics-Limerick; raheen business park; limerick NA ; EI NA
• Manufacturer Contact: arokiya raj ; 325 corporate drive; mahwah, NJ 07430 ; +1(201)831-5000
• MDR Report Key: 50435586
• Report Number: 0002249697-2026-00759
• Device Sequence Number: 10405258
• Product Code: MBH
• UDI-Device Identifier: 07613327050325
• UDI-Public: 07613327050325
• Combination Product (Y/N): N
• Initial Reporter Country: AS
• PMA/510(K) Number: K141056
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2026
• Device Explanted Year: 2026
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Type of Report: Initial
• Report Date (Section B): 08/25/2026

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 Catalogue Number: 5520-B-400
• Device Lot Number: YDJ2S
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Initial Date Received by Manufacturer: 07/28/2026
• Initial Report FDA Received Date: 08/25/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 11/11/2024
• 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: 55 YR
• Patient Sex: Female