MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRITANIUM BPLATE TRIATHLON S4; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Model Number	5536-B-400
Medical Device Problem Code	Unstable (1667)
Health Effect - Clinical Codes	Fall (1848); Pain (1994); Joint Laxity (4526)
Date of Event	12/28/2020
Type of Reportable Event	Serious Injury
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 has been 1 similar event for the lot referenced.Device not returned to the manufacturer.
Event or Problem Description
Patient reported dissatisfaction with their knee replacement.Additional comments: "always putting lidocaine on every night to get to sleep.Not much pain.Have fallen numerous times.Always nervous walking.Knee still gives out, just feels too loose.".

• Brand Name: TRITANIUM BPLATE TRIATHLON S4
• 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: 14186456
• Report Number: 0002249697-2022-00580
• Device Sequence Number: 14929674
• Product Code: MBH
• UDI-Device Identifier: 07613327041491
• UDI-Public: 07613327041491
• Combination Product (Y/N): N
• Initial Reporter State: NJ
• Initial Reporter Country: US
• PMA/510(K) Number: K123486
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2015
• 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: 08/31/2020
• Device Model Number: 5536-B-400
• Device Catalogue Number: 5536B400
• Device Lot Number: CTD7518
• 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: 09/02/2015
• 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: 65 YR
• Patient Sex: Female
• Patient Weight: 75 KG
• Patient Ethnicity: Non Hispanic
• Patient Race: White