MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH X3 TRIATHLON INSERT CS #6 10MM; PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, CO

Model Number 5531-G-610-E

Device Problem Detachment of Device or Device Component (2907)

Patient Problem No Clinical Signs, Symptoms or Conditions (4582)

Event Date 06/12/2023

Event Type  malfunction  

Event Description

Primary procedure, left mako knee.It was reported that after impaction, one side of the locking wire was observed to be above the rim of the tibial baseplate.The wire appeared to have been molded in the opposite direction it should have been.Mps confirmed that no excessive force was used during impaction (impaction consisted of 1 impact), and that impaction was not performed anywhere close to the wire.Insert was removed and a second implant was used to complete the surgery successfully with a surgical delay of less than a minute.Mps has provided intra-op pictures of the implant, and confirmed that no further information will be released by the hospital or surgeon.

Manufacturer Narrative

Reported event: an event regarding disassociation involving a triathlon insert was reported.The event was confirmed.Method & results: product evaluation and results: visual inspection: the reported device was not returned however photographs were provided for review.The photographs show an implanted insert with a disassociated locking wire.Clinician review: no medical records were received for review with a clinical consultant.Product history review: review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.Complaint history review: there have been no other similar events for the lot referenced.Conclusions: it was reported that after impaction, one side of the locking wire was observed to be above the rim of the tibial baseplate.The reported device was not returned however photographs were provided for review.Visual inspection: the photographs show an implanted insert with a disassociated locking wire.No further investigation for this event is possible at this time as no devices was received by stryker orthopaedics.If devices and / or additional information become available to indicate further evaluation is warranted, this record will be reopened.

• Brand Name: X3 TRIATHLON INSERT CS #6 10MM
• 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: marisol santiago ; 325 corporate drive; mahwah, NJ 07430 ; 2018315000
• MDR Report Key: 17286337
• MDR Text Key: 318801446
• Report Number: 0002249697-2023-00757
• Device Sequence Number: 1
• Product Code: MBH
• UDI-Device Identifier: 07613327390575
• UDI-Public: 07613327390575
• Combination Product (y/n): N
• Reporter Country Code: US
• PMA/PMN Number: K173849
• Number of Events Reported: 1
• Summary Report (Y/N): N
• Report Source: Manufacturer
• Source Type: Other,Health Professional
• Reporter Occupation: Physician
• Type of Report: Initial
• Report Date: 07/10/2023

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Device Operator: Health Professional
• Device Model Number: 5531-G-610-E
• Device Catalogue Number: 5531-G-610-E
• Device Lot Number: 1J2TN6
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Initial Date Manufacturer Received: 06/12/2023
• Initial Date FDA Received: 07/10/2023
• Was Device Evaluated by Manufacturer?: Device Not Returned to Manufacturer
• Date Device Manufactured: 03/02/2012
• 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): Other