MAUDE Adverse Event Report: STRYKER ORTHOPAEDICS-MAHWAH MRH AXLE; PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER

Model Number	6481-2-120
Medical Device Problem Codes	Fracture (1260); Noise, Audible (3273)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	12/20/2022
Type of Reportable Event	Serious Injury
Additional 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.Review of the device history records indicate devices were manufactured and accepted into final stock with no relevant reported discrepancies.There have been no other similar events for the lot referenced.
Event or Problem Description
The gmrs axle snapped in half while implanted in the patient.No other components were damaged.There was no accident or injury leading to the event.The patient experienced clicking in his knee and went in for imaging.Ct revealed a broken axle and a revision surgery was required.
Event or Problem Description
The gmrs axle snapped in half while implanted in the patient.No other components were damaged.There was no accident or injury leading to the event.The patient experienced clicking in his knee and went in for imaging.Ct revealed a broken axle and a revision surgery was required.
Additional Manufacturer Narrative
Reported event: an event regarding crack/fracture involving a mrh axle was reported.The event of crack/fracture was confirmed.Method & results: device evaluation and results: the device was not returned however photos were provided for review.Visual inspection indicated the axle fractured in half.Material analysis, 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.Device 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.Conclusion: the device was not returned however photos were provided for review.Visual inspection indicated the axle fractured in half.No further investigation is required at this time.If additional information becomes available to indicate further evaluation is warranted, this record will be reopened.

• Brand Name: MRH AXLE
• Common Device Name: PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER
• Manufacturer (Section D): STRYKER ORTHOPAEDICS-MAHWAH; 325 corporate drive; mahwah NJ 07430
• Manufacturer (Section G): STRYKER ORTHOPAEDICS-LIMERICK; raheen business park; limerick NA ; EI NA
• Manufacturer Contact: diana rogers ; 210 centennial avenue; centennial park, elstree; borehamwood WD6 3-SJ ; UK WD6 3SJ ; 2082386500
• MDR Report Key: 16143528
• Report Number: 0002249697-2023-00028
• Device Sequence Number: 5753560
• Product Code: KRO
• UDI-Device Identifier: 07613327045253
• UDI-Public: 07613327045253
• Combination Product (Y/N): N
• Initial Reporter State: IL
• Initial Reporter Country: US
• PMA/510(K) Number: K002552
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2014
• Device Explanted Year: 2022
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Physician
• Type of Report: Initial,Followup
• Report Date (Section B): 03/16/2023

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 Expiration Date: 02/28/2019
• Device Model Number: 6481-2-120
• Device Catalogue Number: 64812120
• Device Lot Number: CTD2918
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 12/20/2022
• Supplement Date Received by Manufacturer: 02/23/2023
• Initial Report FDA Received Date: 01/12/2023
• Supplement Report FDA Received Date: 03/16/2023
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 02/10/2014
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Sex: Male