MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH NO 6 TRIATH TS PLUS TIB INS X3 POLY 16MM; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Catalog Number	5537-G-616-E
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Unspecified Infection (1930)
Date of Event	11/13/2025
Type of Reportable Event	Serious Injury
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 similar 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# 5512-f-601, tri ts femur sz6 left; lot# hb97a.Cat# 5549-a-651, triathlonctrfemconeaug sz 5l; lot# lp0h1.Cat# 5560-s-115, triathlon cemented stem-15mm x 50mm; lot# 1157740m.Cat# 5544-a-600, tri post augment sz6 10mm; lot# hoe4a.Cat# 5544-a-600, tri post augment sz6 10mm; lot# ibt4s.Cat# 5540-a-601, triath fem distal aug 5mm - size 6 left; lot# esz3x.Cat# 5541-a-601, triathlon femoral distal augment 10mm - size 6 left; lot# gee7u.Cat# 5551-g-401-e, triathlon asymmetric x3 patella; lot# 20k7.Cat# 5521-b-600, tri ts baseplate size 6; lot# ol94ba.Cat# 5549-a-150, triathlon sym cone aug sz e; lot# u55p1.Cat# 5565-s-018, tri press-fit stem 18mm x 100mm; lot# 0122501d.Cat# 5546-a-602, tri rm/ll tib aug sz6 10mm; lot# erfcr2a.Cat# 5546-a-601, tri lm/rl tib aug sz6 10mm; lot# erhwn8a.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.
Event or Problem Description
Left knee.I&d washout performed secondary to infection.The surgeon struggled with exposure and damaged the first insert he tried to put in.No further information is available from the doctor or hospital.

• Brand Name: NO 6 TRIATH TS PLUS TIB INS X3 POLY 16MM
• 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-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer Contact: joann ripoli ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 23743643
• Report Number: 0002249697-2025-01432
• Device Sequence Number: 8835447
• Product Code: MBH
• UDI-Device Identifier: 07613327288391
• UDI-Public: 07613327288391
• Combination Product (Y/N): N
• Initial Reporter State: SC
• Initial Reporter Country: US
• PMA/510(K) Number: K172634
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2023
• Device Explanted Year: 2025
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 12/08/2025

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 Catalogue Number: 5537-G-616-E
• Device Lot Number: 46176X
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 11/13/2025
• Initial Report FDA Received Date: 12/08/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 03/23/2023
• 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: Hospitalization; Required Intervention
• Patient Age: 57 YR
• Patient Sex: Male