MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH TRIATHLON PRIM TIB BASEPLATE - CEMENTED; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Catalog Number 5520-B-400

Device Problems Loosening of Implant Not Related to Bone-Ingrowth (4002); Migration (4003)

Patient Problems Injury (2348); Non-union Bone Fracture (2369)

Event Date 12/20/2018

Event Type  Injury  

Manufacturer Narrative

An event regarding loosening involving a triathlon baseplate was reported.The event was not confirmed.Method & results: product evaluation and results: not performed as the device was not returned.Medical records received and evaluation: not performed as no medical records were returned for review.Product history review: a review of the device manufacturing records indicate that all devices accepted into final stock were free from discrepancies.Complaint history review: there were no other events for the lot provided.Conclusions: the exact cause of the event could not be determined because insufficient information was provided.Further information such as device return, 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 as no devices and insufficient information was received by stryker orthopaedics.If devices and / or additional information become available to indicate further evaluation is warranted, this record will be reopened.

Event Description

It was reported through the submission of a revision implant sheet that patient's left knee was revised.In comparing the primary and revision implant sheets, a size 4 cr femoral component, size 4 baseplate, and 4x11cs insert were revised to a 9 device ts knee construct with stems and augments.Update 11/january/2018.Rep called to provide additional information.Surgeon reported that at the time of primary implant, patient had inadequate internal fixation to address a tibial plateau fracture.The plate failed to address the fracture and the resulting nonunion contributed to the collapse of the tibial plateau and failure of the implants.

• Brand Name: TRIATHLON PRIM TIB BASEPLATE - CEMENTED
• 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: joann lavatelli ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 8257837
• MDR Text Key: 133386779
• Report Number: 0002249697-2019-00218
• Device Sequence Number: 1
• Product Code: MBH
• UDI-Device Identifier: 07613327050325
• UDI-Public: 07613327050325
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K141056
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: health professional,other
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 01/17/2019

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 01/17/2019
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Expiration Date: 07/31/2021
• Device Catalogue Number: 5520-B-400
• Device Lot Number: VTIYB
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Date Manufacturer Received: 12/20/2018
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 07/12/2016
• 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): Hospitalization; Required Intervention
• Patient Age: 57 YR