MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRITANIUM BPLATE TRIATHLON S2; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Model Number	5536-B-200
Medical Device Problem Code	Insufficient Device Problem Information (3190)
Health Effect - Clinical Codes	Bone Fracture(s) (1870); Pain (1994); Injury (2348)
Date of Event	04/20/2020
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Review of the device history records indicate that devices were manufactured and accepted into final stock with no reported discrepancies.There have been no other events for the lot referenced.If additional information is received, it will be provided in a supplemental report upon completion of the investigation.Device not returned.
Event or Problem Description
Patient had 2 week post op exam with x-rays.The x-ray looked normal.2 months later knee started hurting and patient noticed her knee did not look straight.Patient came in for more x-rays, tibial plateau had fractured and was in varus.

• Brand Name: TRITANIUM BPLATE TRIATHLON S2
• Common Device Name: PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 10070027
• Report Number: 0002249697-2020-00923
• Device Sequence Number: 19490152
• Product Code: MBH
• UDI-Device Identifier: 07613327041590
• UDI-Public: 07613327041590
• Combination Product (Y/N): N
• Initial Reporter State: WA
• Initial Reporter Country: US
• PMA/510(K) Number: K141056
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Device Explanted Year: 2020
• Reporter Type: Manufacturer
• Report Source: health professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 05/19/2020

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: 10/31/2024
• Device Model Number: 5536-B-200
• Device Catalogue Number: 5536B200
• Device Lot Number: CTD37117
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 04/21/2020
• Initial Report FDA Received Date: 05/19/2020
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Age: 74 YR
• Patient Weight: 84