MAUDE Adverse Event Report: ONKOS SURGICAL ELEOS; RESURFACING FEMUR AXIAL PIN, SIZE 2

Model Number	25002112E
Medical Device Problem Codes	Adverse Event Without Identified Device or Use Problem (2993); Insufficient Device Problem Information (3190)
Health Effect - Clinical Code	Joint Contracture (4528)
Date of Event	02/04/2022
Type of Reportable Event	Serious Injury
Event or Problem Description
It was reported that the patient underwent a revision surgery on (b)(6) 2022 due to their stem extension loosening and a flexion contracture.The following eleos implants were revised: tibial hinge component, tibial poly spacer, resurfacing femur, resurfacing femur axial pin, and stem extension.No additional information regarding this event has been provided.
Additional Manufacturer Narrative
The investigation is in process.The device will not be returned.When the investigation is complete, a supplemental mdr will be submitted accordingly.Multiple mdrs were submitted for this event: 3013450937-2022-00112, 3013450937-2022-00113, 3013450937-2022-00114,and 3013450937-2022-00115.
Additional Manufacturer Narrative
This report is being submitted to include additional information.The investigation is complete.The device was not returned for evaluation.The root cause of the adverse event could not be determined.The device history records and sterilization batch records were reviewed and no issues during manufacturing or sterilization were identified that would have contributed to this complaint.If any additional information is obtained, a supplemental mdr will be filed accordingly.The following sections were updated: b4: date of this report added.G3: date received by manufacturer added.G6: type of report added.H2: follow-up type added.H3: device evaluated by manufacturer updated to no.H6: type of investigation code updated to 3331: analysis of production records.H6: type of investigation code updated to 4111: communication/interviews.H6: type of investigation code updated to 4110: trend analysis.H6: type of investigation code updated to 4114: device not returned.H6: type of investigation code updated to 4117: device not accessible for testing.H6: type of investigation code updated to 4109: historical data analysis.H6: investigation findings code updated to 213: no device problem found.H6: investigation conclusions code updated to 4315: cause not established.H10: additional narratives/data.
Event or Problem Description
It was reported that the patient underwent a revision surgery on (b)(6) 2022 due to their stem extension loosening and a flexion contracture.The following eleos implants were revised: tibial hinge component, tibial poly spacer, resurfacing femur, resurfacing femur axial pin, and stem extension.No additional information regarding this event has been provided.

• Brand Name: ELEOS
• Common Device Name: RESURFACING FEMUR AXIAL PIN, SIZE 2
• Manufacturer (Section D): ONKOS SURGICAL; 77 east halsey road; parsippany NJ 07054
• Manufacturer (Section G): MICROPORT ORTHOPEDICS; 5677 airline road; arlington TN 38002
• Manufacturer Contact: sara dailey ; 77 east halsey road; parsippany, NJ 07054
• MDR Report Key: 13675203
• Report Number: 3013450937-2022-00116
• Device Sequence Number: 5466152
• Product Code: KRO
• UDI-Device Identifier: B27825002112E0
• UDI-Public: B27825002112E0
• Combination Product (Y/N): N
• Initial Reporter State: AL
• Initial Reporter Country: US
• PMA/510(K) Number: K161520
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2020
• Device Explanted Year: 2022
• Serviced by Third Party (Y/N): Unknown
• Reporter Type: Manufacturer
• Report Source: Health Professional
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 05/13/2022

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
• Operator of Device: Health Professional
• Device Model Number: 25002112E
• Device Catalogue Number: 25002112E
• Device Lot Number: 17016691824031
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 02/04/2022
• Supplement Date Received by Manufacturer: 05/05/2022
• Initial Report FDA Received Date: 03/04/2022
• Supplement Report FDA Received Date: 05/13/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 10/24/2019
• 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
• Concomitant Medical Products and Therapy/Usage Dates: P/N 25001208E, ELEOS TIBIAL POLY SPACER.; P/N 25002100E, ELEOS TIBIAL HINGE COMPONENT.; P/N 25002201E, ELEOS TIBIAL BASEPLATE.; P/N 2500L002E, ELEOS RESURFACING FEMUR.; P/N KSC01465E, ELEOS CEMENTED STEM EXTENSION.; P/N KSC12100E, ELEOS CEMENTED STEM EXTENSION.
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 67 YR
• Patient Sex: Female