MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH UNKNOWN TRIATHLON SIZE 4 CR PRESSFIT FEMUR; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Catalog Number UNK_JR

Device Problem Unstable (1667)

Patient Problems Pain (1994); Joint Laxity (4526)

Event Date 02/19/2024

Event Type  Injury  

Event Description

It was reported that the patient's right knee was revised due to flexion instability and pain.Intra-operatively, the following was noted: the 'lip' of the liner at the posterior medial aspect showed wear.The poly portion of the metal-backed patella showed abnormal wear and was reported that it was possibly clicking against the femoral component.The patient's knee construct was revised to a ts knee with stems and augments.

Manufacturer Narrative

Reported event: an event regarding instability involving an unknown triathlon femoral component 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 the device lot details were not provided.-complaint history review: could not be performed as the device lot details were 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 revision 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.

• Brand Name: UNKNOWN TRIATHLON SIZE 4 CR PRESSFIT FEMUR
• Type of Device: 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-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer Contact: arokiya raj ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 18883104
• MDR Text Key: 337402777
• Report Number: 0002249697-2024-00376
• Device Sequence Number: 1
• Product Code: MBH
• Combination Product (y/n): N
• Reporter Country Code: US
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Health Professional
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 03/11/2024

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 03/11/2024
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Catalogue Number: UNK_JR
• Device Lot Number: UNKNOWN
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 02/19/2024
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Is the Device Single Use?: Yes
• Is This a Reprocessed and Reused Single-Use Device?: No
• Type of Device Usage: Initial
• Patient Sequence Number: 1
• Patient Outcome(s): Required Intervention; Hospitalization
• Patient Age: 58 YR
• Patient Sex: Female
• Patient Weight: 102 KG