MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH NO 3 TRIATH TS PLUS TIB INS X3 POLY 19MM; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Catalog Number	5537-G-319-E
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Unspecified Infection (1930)
Date of Event	12/18/2024
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Reported event: an event regarding infection involving a triathlon insert was reported.The event was not confirmed.Method & results: product evaluation and results: material analysis, visual, functional and dimensional inspections could not be performed as the device was not returned.Clinician review: no medical records were received for review with a clinical consultant.Product history review: review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.Complaint history review: there have been no other similar events for the lot or sterile lot referenced.Conclusions: it was reported that the patient was revised due to infection.All stryker products sold as sterile are validated to a minimum sterility assurance level sal of 10^-6 in accordance with applicable iso standards.The exact cause of the event could not be determined because insufficient information was provided.Further information such as pathology reports, pre- and post-operative x-rays and the revision operative report as well as patient history and follow-up notes are needed to complete the investigation for determining root cause.No further investigation for this event is possible at this time.If devices and/or additional information become available to indicate further evaluation is warranted, this record will be reopened.The following devices were also listed in this report: device name# tri ts femur sz3 right; cat# 5512-f-302; lot# oyb7z; device name# tri cemented stem 12mmx50mm; cat# 5560-s-112; lot# 1669923l; device name# tri ts baseplate size 3; cat# 5521-b-300; lot# rsy9eb; device name# triathlon sym cone aug sz a; cat# 5549-a-110; lot# updw1; device name# tri rm/ll tib aug sz3 5mm; cat# 5545-a-302; lot# xl83462e; device name# tri lm/rl tib aug sz3 5mm; cat# 5545-a-301; lot# xl82710j; device name# tri cemented stem 12mmx50mm; cat# 5560-s-112; lot# 1658755h; device name# tritanium patella-asymmetric; cat# 5552-l-299; lot# rnxx1.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.
Event or Problem Description
As reported: "rev rtka w/ poly exchange for chronic infection.Patient was a little unstable and went up on the poly." rep confirmed that no further information will be released by the hospital or surgeon.

• Brand Name: NO 3 TRIATH TS PLUS TIB INS X3 POLY 19MM
• 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: arokiya raj ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 21089788
• Report Number: 0002249697-2025-00028
• Device Sequence Number: 13047857
• Product Code: MBH
• UDI-Device Identifier: 07613327287868
• UDI-Public: 07613327287868
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K172634
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2024
• Device Explanted Year: 2024
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 01/07/2025

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-319-E
• Device Lot Number: KX5538
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 12/18/2024
• Initial Report FDA Received Date: 01/07/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 04/13/2024
• 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: 72 YR
• Patient Sex: Female
• Patient Weight: 53 KG