MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH X3 TRIATHLON CS INSERT #6 9MM; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Model Number	5531-G-609
Medical Device Problem Codes	Adverse Event Without Identified Device or Use Problem (2993); Noise, Audible (3273)
Health Effect - Clinical Code	Pain (1994)
Date of Event	02/26/2019
Type of Reportable Event	Serious Injury
Event or Problem Description
Patient reported dissatisfaction with their knee replacement.Additional comments: "behind the knee - some pain.Less stiffness and pain but hears clicking and feels loose.Recent doctor visit/ x-rays confirm joint is fine.".
Additional Manufacturer Narrative
It was noted that the device is not available for evaluation.Should additional information become available, it will be provided in a supplemental report upon completion of the investigation.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.The following devices were also listed in this report: triathlon cr fem comp #7 l-cem; cat#5510f701 ; lot#alk4l.Triathlon prim tib baseplate - cemented; cat#5520-b-600 ; lot#tuhya.Triathlon asymmetric x3 patella; cat#5551-g-381 ; lot#vh4d.It cannot be determined which, if any of these devices may have caused or contributed to the patient's experience.Device not returned to the manufacturer.

• Brand Name: X3 TRIATHLON CS INSERT #6 9MM
• 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 ; 2018315000
• MDR Report Key: 14187054
• Report Number: 0002249697-2022-00589
• Device Sequence Number: 12201408
• Product Code: MBH
• UDI-Device Identifier: 07613327045932
• UDI-Public: 07613327045932
• Combination Product (Y/N): N
• Initial Reporter State: NJ
• Initial Reporter Country: US
• PMA/510(K) Number: K063423
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2016
• Reporter Type: Manufacturer
• Report Source: Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 04/22/2022

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: 10/31/2020
• Device Model Number: 5531-G-609
• Device Catalogue Number: 5531G609
• Device Lot Number: LER728
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 03/28/2022
• Initial Report FDA Received Date: 04/22/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 10/24/2015
• 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: Other
• Patient Age: 56 YR
• Patient Sex: Male
• Patient Weight: 91 KG
• Patient Ethnicity: Non Hispanic
• Patient Race: White