MAUDE Adverse Event Report: ONKOS SURGICAL ELEOS; SEGMENTAL STEM, CANAL-FILLING, 12X152MM, STRAIGHT, SLOTTED, SPLINED, 2/3 PLASMA

Model Number	2500CP12E
Medical Device Problem Code	Loosening of Implant Not Related to Bone-Ingrowth (4002)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	10/14/2021
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
The device will not be returned for investigation as it was discarded at the hospital.The investigation is in progress.When the investigation is complete, a supplemental report will be submitted accordingly.
Event or Problem Description
It was reported that the patient underwent a revision surgery on (b)(6) 2021 due to their canal-filling segmental stem loosening.During the revision surgery, the following eleos implants were revised: canal-filling segmental stem, male-female midsection, distal femur, distal femur axial pin, tibial hinge component, and poly spacer.The surgeon explanted the canal-filling segmental stem and placed a cemented segmental stem.No additional information regarding this event has been provided.
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 segmental stem loosening 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) 2021 due to their canal-filling segmental stem loosening.During the revision surgery, the following eleos implants were revised: canal-filling segmental stem, male-female midsection, distal femur, distal femur axial pin, tibial hinge component, and poly spacer.The surgeon explanted the canal-filling segmental stem and placed a cemented segmental stem.No additional information regarding this event has been provided.

• Brand Name: ELEOS
• Common Device Name: SEGMENTAL STEM, CANAL-FILLING, 12X152MM, STRAIGHT, SLOTTED, SPLINED, 2/3 PLASMA
• 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: 12758536
• Report Number: 3013450937-2021-00264
• Device Sequence Number: 14286071
• Product Code: KRO
• UDI-Device Identifier: B2782500CP12E0
• UDI-Public: +B2782500CP12E0
• Combination Product (Y/N): N
• Initial Reporter State: TN
• Initial Reporter Country: US
• PMA/510(K) Number: K161520
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Device Implanted Year: 2021
• Device Explanted Year: 2021
• 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): 01/11/2022

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?: Yes
• Operator of Device: Health Professional
• Device Expiration Date: 06/09/2025
• Device Model Number: 2500CP12E
• Device Catalogue Number: 2500CP12E
• Device Lot Number: 1713426
• 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: 10/14/2021
• Supplement Date Received by Manufacturer: 01/11/2022
• Initial Report FDA Received Date: 11/07/2021
• Supplement Report FDA Received Date: 01/11/2022
• Was Device Evaluated by Manufacturer? (Y/N): Device Not Returned to Manufacturer
• Date Device Manufactured: 06/09/2017
• 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 25000009E, ELEOS DISTAL FEMUR; P/N 25001050E, ELEOS MALE-FEMALE MIDSECTION; P/N 25001208E, ELEOS TIBIAL POLY SPACER; P/N 25002100E, ELEOS TIBIAL HINGE COMPONENT; P/N 25002111E, ELEOS DISTAL FEMUR AXIAL PIN; P/N 25002202E, ELEOS TIBIAL BASEPLATE; P/N KSP11100E, ELEOS STEM EXTENSION
• Outcome Attributed to Adverse Event: Required Intervention; Hospitalization
• Patient Age: 16 YR
• Patient Sex: Female