MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH X3 TRIATHLON CS INSERT #5 13MM; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Catalog Number	5531G513
Medical Device Problem Codes	Material Discolored (1170); Unstable (1667)
Health Effect - Clinical Codes	Hematoma (1884); Swelling (2091); Injury (2348)
Date of Event	11/21/2018
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.Device not returned.
Event or Problem Description
Sent to sem and investigate the yellow coloring components.Implanted trn-tka.Acl-incompetent knee, absence of internal and external cartilage, oa, hyperextended knee.After several weeks, swelling, instability and hematoma were observed, so the synovectomy was performed.Suspected infection, but it was decided an infection negative based on investigation.Since hematoma was again observed, synovial resection and insert exchanged.There is no infection.Synovial proliferation was extended down to the insert.The replacement new insert was an increased thickness of 16 mm.

• Brand Name: X3 TRIATHLON CS INSERT #5 13MM
• 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: 8181290
• Report Number: 0002249697-2018-04084
• Device Sequence Number: 19313617
• Product Code: MBH
• UDI-Device Identifier: 07613327045888
• UDI-Public: 07613327045888
• Combination Product (Y/N): N
• PMA/510(K) Number: K141056
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2018
• Device Explanted Year: 2018
• Reporter Type: Manufacturer
• Report Source: foreign
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 12/19/2018

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: 5531G513
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/22/2018
• Initial Report FDA Received Date: 12/19/2018
• 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: Hospitalization; Required Intervention