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

Catalog Number 5530-G-609

Device Problem Unstable (1667)

Patient Problems Injury (2348); Joint Laxity (4526)

Event Date 06/29/2020

Event Type  Injury  

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.

Event Description

Revision of triathlon knee due to instability when patient stands from seated position.Surgeon states that patient was stable post initial surgery but became unstable post operative lay as they were very active.Cr femur and insert currently in situ, only liner removed and replaced as per photos.Full stability achieved according to surgeon.Original surgery date (b)(6) 2019.

Manufacturer Narrative

Reported event: an event regarding 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.Medical records received and evaluation: no medical records were received for review with a clinical consultant.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 have been no other similar events for the lot referenced.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.

Event Description

Revision of triathlon knee due to instability when patient stands from seated position.Surgeon states that patient was stable post initial surgery but became unstable post operative lay as they were very active.Cr femur and insert currently in situ, only liner removed and replaced as per photos.Full stability achieved according to surgeon.Original surgery date (b)(6)2019.

• Brand Name: TRIATHLON CR X3 TIBIAL INSERT
• Type of Device: PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• MDR Report Key: 10269984
• MDR Text Key: 198685561
• Report Number: 0002249697-2020-01441
• Device Sequence Number: 1
• Product Code: MBH
• Combination Product (y/n): N
• PMA/PMN Number: K141056
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: company representative,other
• Type of Report: Initial,Followup
• Report Date: 09/30/2020

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Date FDA Received: 07/14/2020
• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Device Operator: Health Professional
• Device Expiration Date: 09/30/2023
• Device Catalogue Number: 5530-G-609
• Device Lot Number: 2N86HH
• Was Device Available for Evaluation?: No
• Date Manufacturer Received: 09/03/2020
• Is This a Reprocessed and Reused Single-Use Device?: No
• Patient Sequence Number: 1
• Patient Outcome(s): Hospitalization; Required Intervention
• Patient Age: 72 YR
• Patient Weight: 91