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

Model Number	5530-G-413
Medical Device Problem Codes	Fracture (1260); Unstable (1667)
Health Effect - Clinical Codes	Failure of Implant (1924); Ambulation or Postural Difficulties (2544)
Date of Event	01/28/2021
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
Reported event: an event regarding crack/fracture and instability involving a triathlon insert was reported.The event was not confirmed.Method & results: product evaluation and results: material analysis, visual, functional and dimensional inspections could not be performed as the device was not returned.Clinician review: no medical records were received for review with a clinical consultant.Product history review: could not be performed as lot code information was not provided.Complaint history review: could not be performed as lot code information was not provided.Conclusions: the exact cause of the event could not be determined because insufficient information was provided.Further information such as return of the device, pathology reports, pre- and post-operative x-rays and the primary operative report as well as patient history and follow-up notes are needed to complete the investigation for determining root cause.No further investigation for this event is possible at this time.If devices and / or additional information become available to indicate further evaluation is warranted, this record will be reopened.Device not returned.
Event or Problem Description
It was reported that the patient's left knee was revised due to instability.Intra-operatively, the insert was found broken in the posterior medial aspect.The liner and a size 4 cr femoral component were revised to convert the patient to a ps knee.Rep confirmed that no further information will be released by the hospital or surgeon.

• Brand Name: TRIATHLON CR X3 TIBIAL INSERT
• 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: 11371836
• Report Number: 0002249697-2021-00330
• Device Sequence Number: 3773735
• Product Code: MBH
• UDI-Device Identifier: 07613327050509
• UDI-Public: 07613327050509
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K141056
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2015
• Device Explanted Year: 2021
• Reporter Type: Manufacturer
• Report Source: health professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial
• Report Date (Section B): 02/24/2021

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 Model Number: 5530-G-413
• Device Catalogue Number: 5530-G-413
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 01/28/2021
• Initial Report FDA Received Date: 02/24/2021
• 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 Age: 59 YR
• Patient Weight: 95