MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRIATHLON CR X3 TIBIAL INSERT; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, C

Catalog Number	5530-G-709
Medical Device Problem Code	Unstable (1667)
Health Effect - Clinical Code	Injury (2348)
Date of Event	11/27/2018
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
An event regarding revision due to instability involving a triathlon insert was reported.The event was not confirmed.Method & results: product evaluation and results: not performed as no product was returned for evaluation.Clinician review: no medical records were received for review with a clinical consultant.Product history review: indicated all devices were manufactured and accepted into final stock with no reported discrepancies.Complaint history review: there have been no other similar events for the lot referenced.The event itself could not be confirmed and exact cause of the event could not be determined because insufficient information was provided.Further information such as product return, pre and post operative x-rays, operative reports as well as patient history and follow up notes are required to complete the investigation for determining a root cause.
Event or Problem Description
As reported: "[surgeon] performed a left knee revision on [patient] on (b)(6) 2018.Original date of surgery was (b)(6) 2017.Revision due to some knee instability not attributed to the implant.Implant will not be returned.All information is correct and no more information is available".Spoke to rep, rep confirmed the hospital and surgeon would not release any additional information.

• Brand Name: TRIATHLON CR X3 TIBIAL INSERT
• Common Device Name: PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, C
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 8187922
• Report Number: 0002249697-2018-04100
• Device Sequence Number: 1987804
• Product Code: MBH
• UDI-Device Identifier: 07613327045482
• UDI-Public: 07613327045482
• Combination Product (Y/N): N
• Initial Reporter State: MN
• Initial Reporter Country: US
• PMA/510(K) Number: K141056
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Device Explanted Year: 2018
• Reporter Type: Manufacturer
• Report Source: health professional,other
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 12/20/2018

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 Expiration Date: 06/30/2022
• Device Catalogue Number: 5530-G-709
• Device Lot Number: VN0LTR
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 11/27/2018
• Initial Report FDA Received Date: 12/20/2018
• 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
• Patient Weight: 118