MAUDE Adverse Event Report: SMITH & NEPHEW, INC. JUNI OX FB FEM SZ 4 LM RL; PROSTHESIS, KNEE, FEMOROTIBIAL, NON-CONSTRAINED, CEMENTED, METAL/POLYMER

Model Number	71422344
Medical Device Problem Code	Adverse Event Without Identified Device or Use Problem (2993)
Health Effect - Clinical Code	Inadequate Osseointegration (2646)
Date of Event	11/08/2018
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that after a left tka performed on (b)(6) 2017 due to osteoarthritis, the patient presented aseptic loosening of the femoral component.A revision surgery was performed to addressed this issue on (b)(6) 2018 and all implants were exchanged.This information was provided by the national joint registry of the united kingdom, as part of a retrospective data collection of patients who underwent a revision surgery of journey uni prothesis.As such, no further information will be available.
Additional Manufacturer Narrative
Internal complaint reference: (b)(4).
Additional Manufacturer Narrative
H3, h6: the device was not returned for evaluation and the reported event could not be confirmed.The clinical/medical investigation concluded that, per complaint details, a left revision was performed approximately 1 year post uka due to aseptic loosening of the femoral component.As of the date of this medical investigation, the requested clinical documentation has not been received as the information was provided by the national joint registry of the united kingdom as part of a retrospective data collection, and reportedly, no further information will be available.Without the requested medical documentation, definitive clinical factors which could have contributed to the reported aseptic loosening of the femoral component could not be concluded.The patient outcome beyond that which was reported could not be confirmed nor concluded; therefore, no further medical assessment can be rendered at this time.A review of complaint history of the previous 12 months revealed similar events for the listed device, this failure mode will be monitored for future complaints for any necessary corrective actions.A review of the instructions for use documents for knee systems revealed that loosening has been identified as a possible adverse effect.A review of the risk management file revealed this failure mode was previously identified.The anticipated risk level is still adequate.A historical review concluded that there are no prior actions related to this product and event.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.Factors that could contribute to the reported event have been identified as abnormal motion over time, bone degeneration, osteolysis and/or traumatic injury.The contribution of the device to the reported event could not be corroborated.Based on this investigation, the need for corrective action is not indicated.Without the return of the actual product involved, our investigation could not proceed.Should the device or additional information be received, the complaint will be reopened.No further investigation is warranted for this complaint; however, we will continue to monitor for future complaints and investigate as necessary.We consider this investigation closed.Internal complaint reference number: (b)(4).

• Brand Name: JUNI OX FB FEM SZ 4 LM RL
• Common Device Name: PROSTHESIS, KNEE, FEMOROTIBIAL, NON-CONSTRAINED, CEMENTED, METAL/POLYMER
• Manufacturer (Section D): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• Manufacturer (Section G): SMITH & NEPHEW, INC.; 1450 brooks rd.; memphis TN 38116
• Manufacturer Contact: holly topping ; 7000 west william cannon drive; austin, TX 78735 ; 5123913905
• MDR Report Key: 15385497
• Report Number: 1020279-2022-04029
• Device Sequence Number: 20302607
• Product Code: HSX
• UDI-Device Identifier: 03596010627339
• UDI-Public: 03596010627339
• Combination Product (Y/N): N
• Initial Reporter Country: UK
• PMA/510(K) Number: K073175
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2017
• Device Explanted Year: 2018
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Other,Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 10/13/2022

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
• Device Model Number: 71422344
• Device Catalogue Number: 71422344
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/17/2022
• Supplement Date Received by Manufacturer: 10/05/2022
• Initial Report FDA Received Date: 09/08/2022
• Supplement Report FDA Received Date: 10/13/2022
• Was Device Evaluated by Manufacturer? (Y/N): No
• 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: A
• Patient Sequence Number: 1
• Concomitant Medical Products and Therapy/Usage Dates: 71422251 JOURNEY UNI TIBINRT S3-4LM/RL8MM; 71422424 JRNY UNI TIBIAL BASE LM/RL SZ 4
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Sex: Male