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ELEOS™ KSC01465ERecalls & reported problems

Onkos Surgical, Inc. · ELEOS™ STEM EXTENSION14X65MM STRAIGHT, FLUTED 14X65MM · Class 2 · Implant

All models of ELEOS (127)

Data updated Oct 16, 2026 from official FDA records · Editorial policy

Adverse event reports
6
Deaths reported
0
Injuries reported
5
Recalls naming it
0

Summary

The FDA's MAUDE database contains 6 adverse event reports that list this exact device (DI B278KSC01465E0), received between May 14, 2020 and Nov 25, 2024 — classified as 5 injuries, 1 malfunction.

The most frequently reported specific device problem is “Detachment of Device or Device Component” (1 report).

11 other recalls cover devices cleared under the same FDA submission (K161520); they may or may not involve this specific model.

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. What reports can and can't tell you · How this data works · Data updated Oct 16, 2026.

Reports received per month

Nov 2023: 0 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 0 reportsMay 2024: 0 reportsJun 2024: 0 reportsJul 2024: 0 reportsAug 2024: 0 reportsSep 2024: 0 reportsOct 2024: 0 reportsNov 2024: 1 reportsDec 2024: 0 reportsJan 2025: 0 reportsFeb 2025: 0 reportsMar 2025: 0 reportsApr 2025: 0 reportsMay 2025: 0 reportsJun 2025: 0 reportsJul 2025: 0 reportsAug 2025: 0 reportsSep 2025: 0 reportsOct 2025: 0 reportsNov 2025: 0 reportsDec 2025: 0 reportsJan 2026: 0 reportsFeb 2026: 0 reportsMar 2026: 0 reportsApr 2026: 0 reportsMay 2026: 0 reportsJun 2026: 0 reportsJul 2026: 0 reportsAug 2026: 0 reportsSep 2026: 0 reportsOct 2026: 0 reports2024202520261
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Adverse Event Without Identified Device or Use Problem5
  • Detachment of Device or Device Component1

Patient problems

  • Unspecified Infection4
  • Insufficient Information2
  • Failure of Implant1
  • No Information1

Recent adverse event reports

The 6 most recent of 6 reports, in the reporter's own words as published by the FDA.

  • MalfunctionNov 25, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED BY (B)(4), AN ONKOS SALES REPRESENTATIVE, THAT A 65-YEAR-OLD MALE PATIENT WITH AN ELEOS HINGE KNEE REPLACEMENT UNDERWENT REVISION SURGERY ON (B)(6) 2024 DUE TO A DISASSOCIATION OF THE STEM EXTENSION THAT WAS CEMENTED IN THE TIBIA FROM THE REMAINING CONSTRUCT. THE SALES REPRESENTATIVE REPORTED THAT THE SURGEON, DOCTOR URISH, DECIDED NOT TO USE THE OPTIONAL TIBIAL BASEPLATE TAPERED SCREW DURING THE INDEX SURGERY.

    Patient problems: Failure of Implant

    MAUDE report 20772645 ↗
  • InjuryAug 24, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT UNDERWENT A REVISION SURGERY DUE TO AN ALLEGED INFECTION. DURING THE REVISION SURGERY, THE FOLLOWING ELEOS IMPLANTS WERE REVISED: TIBIAL HINGE COMPONENT, DISTAL FEMUR AXIAL PIN, AND POLY SPACER. THE FOLLOWING ELEOS IMPLANTS REMAIN IMPLANTED FROM THE PATIENT'S ORIGINAL PROCEDURE: STEM EXTENSION, SEGMENTAL STEM, DISTAL FEMUR, MALE-FEMALE MIDSECTION, AND TIBIAL BASEPLATE. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN REPORTED.

    Patient problems: Unspecified Infection

    MAUDE report 17619630 ↗
  • InjuryAug 31, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT A PATIENT EXPERIENCED AN INFECTION AND UNDERWENT A REVISION SURGERY ON (B)(6) 2022. THE FOLLOWING IMPLANTS WERE REMOVED DURING THE REVISION: ELEOS DISTAL FEMUR AXIAL PIN, ELEOS TIBIAL HINGE W/ ROTATIONAL STOP AND ELEOS TIBIAL POLY SPACER.

    Patient problems: Insufficient Information; Unspecified Infection

    MAUDE report 15332466 ↗
  • InjuryApr 18, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    ON (B)(6) 2022 THE PATIENT RECEIVED A SUPERFICIAL WOUND DEBRIDEMENT TO TREAT A SUPERFICIAL SUTURE AND SUB-Q ABSCESS THAT DEVELOPED AFTER RECEIVING DISTAL FEMORAL REPLACEMENT SURGERY.

    Patient problems: Insufficient Information; Unspecified Infection

    MAUDE report 14138165 ↗
  • InjuryJul 1, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2021 DUE TO AN ALLEGED INFECTION. THE PATIENT DEVELOPED AN ALLEGED INFECTION WITH SMITH & NEPHEW IMPLANTS THAT WERE IMPLANTED ON (B)(6) 2019 FOR AN UNKNOWN REASON. THE PATIENT UNDERWENT A FIRST STAGE REVISION SURGERY ON (B)(6) 2019 WHERE THE FOLLOWING ELEOS PARTS WERE IMPLANTED: TIBIAL HINGE COMPONENT WITH ROTATIONAL STOP, TIBIAL BASEPLATE, STEM EXTENSION, DISTAL FEMUR, TIBIAL BLOCK AUGMENT, DISTAL FEMUR AXIAL PIN, SEGMENTAL STEM, AND TIBIAL POLY SPACER. THE SECOND STAGE REVISION SURGERY TOOK PLACE ON (B)(6) 2021 WHERE THE FOLLOWING ELEOS COMPONENTS WERE REMOVED AND REPLACED: TIBIAL HINGE COMPONENT, DISTAL FEMUR AXIAL PIN, AND TIBIAL POLY SPACER. A WASHOUT WAS PERFORMED AND ADDITIONAL ANTIBIOTICS WERE INSERTED. THE FOLLOWING ELEOS COMPONENTS ARE STILL IMPLANTED: TIBIAL BASEPLATE, STEM EXTENSION, DISTAL FEMUR, TIBIAL BLOCK AUGMENT, AND SEGMENTAL STEM. NO ADDITIONAL INFORMATION REGARDING THIS EVENT HAS BEEN MADE AVAILABLE.

    Patient problems: Unspecified Infection

    MAUDE report 12099597 ↗
  • InjuryMay 14, 2020Detachment of Device or Device Component; Detachment of Device or Device Component

    PATIENT X-RAYS REVEALED THAT THE TIBIAL BASEPLATE AND STEM EXTENSION DISSOCIATED.

    Patient problems: No Information

    MAUDE report 10059247 ↗

Recalls under the same FDA submission

These recalls involve devices cleared under K161520. One submission often covers many models, so check the product and lot details in each record.

  • Z-2423-2025 · Jul 11, 2025 · Open, Classified
    ELEOS SEGMENTAL LIMB SALVAGE SYSTEM, ELEOS BOWED CANAL FILLING STEMS. Canal filling stem implants.
  • Z-2424-2025 · Jul 11, 2025 · Open, Classified
    ELEOS SEGMENTAL LIMB SALVAGE SYSTEM, ELEOS SEGMENTAL STEM CANAL FILLING STRAIGHT SLOTTED SPLINED 2/3 PLASMA. Canal filling stem implants.
  • Z-2425-2025 · Jul 11, 2025 · Open, Classified
    ELEOS SEGMENTAL LIMB SALVAGE SYSTEM, ELEOS STEM EXTENSION, STRAIGHT, SPLINED, SLOTTED. Canal filling stem implants.
  • Z-1857-2025 · Sep 22, 2024 · Open, Classified
    ELEOS MALE-FEMALE MIDSECTION 40MM. Part Number: 25001040E. Component of ELEOS Limb Salvage System
  • Z-1879-2025 · Sep 1, 2023 · Open, Classified
    a. Segmental Stem, Cemented, Straight, 100MM, 1 EACH; Model Numbers: CS-09100-03M, CS-10100-03M. b. Segmental Stem, Cemented, Straight, 120MM, 1 EACH. Model Numbers: CS-11120-03M,
  • Z-1884-2025 · Sep 1, 2023 · Open, Classified
    Male-Female Midsection with the following sizes and model numbers. a. Male-Female Midsection, 40mm, 1 EACH; Model Number: 25001040E b. Male-Female Midsection, 50mm, 1 EACH; Model
  • Z-1881-2025 · Sep 1, 2023 · Open, Classified
    Segmental Stem, Canal Filling, Straight, 120MM, 1 EACH. Model Numbers: FS-11120-03M, FS-12120-03M, FS-13120-03M, FS-14120-03M, FS-15120-03M, FS-16120-03M, FS-17120-03M, FS-18120-03
  • Z-1882-2025 · Sep 1, 2023 · Open, Classified
    Segmental Stem, Canal Filling, Bowed 152MM, 1 EACH. Model Numbers: FB-11152-03M, FB-12152-03M, FB-13152-03M, FB-14152-03M, FB-15152-03M, FB-16152-03M, FB-17152-03M, FB-18152-03M, F
  • Z-2646-2017 · May 23, 2017 · Terminated
    ELEOS LIMB SALVAGE SYSTEM SEGMENTAL STEM, CANAL FILLING, DIAMETER 18MM, LENGTH 120MM, STYLE STRAIGHT, TYPE CANAL FILLING, COLLAR 25MM, REF 2500SP18E
  • Z-2648-2017 · May 23, 2017 · Terminated
    ELEOS LIMB SALVAGE SYSTEM SEGMENTAL STEM, CANAL FILLING, DIAMETER 20MM, LENGTH 120MM, STYLE STRAIGHT, TYPE CANAL FILLING, COLLAR 25MM; REF 2500SP22E
  • Z-2647-2017 · May 23, 2017 · Terminated
    ELEOS LIMB SALVAGE SYSTEM SEGMENTAL STEM, CANAL FILLING, DIAMETER 20MM, LENGTH 120MM, STYLE STRAIGHT, TYPE CANAL FILLING, COLLAR 25MM; REF 2500SP20E

Other PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER devices

All PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER devices →

Sources and updates

How reports and recalls are matched · Editorial policy · Report an error on this page