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ELEOS Limb Salvage System HR-30000-03MRecalls & reported problems

Onkos Surgical, Inc. · ELEOS MODULAR COLLAR LOCKING RING · Class 2 · Implant

All models of ELEOS Limb Salvage System (48)

Data updated Oct 18, 2026 from official FDA records · Editorial policy

Adverse event reports
8
Deaths reported
0
Injuries reported
8
Recalls naming it
0

Summary

The FDA's MAUDE database contains 8 adverse event reports that list this exact device (DI B278HR3000003M0), received between Sep 23, 2021 and May 22, 2024 — classified as 8 injuries.

The most frequently reported specific device problem is “Insufficient Device Problem Information” (1 report).

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 18, 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: 1 reportsJun 2024: 0 reportsJul 2024: 0 reportsAug 2024: 0 reportsSep 2024: 0 reportsOct 2024: 0 reportsNov 2024: 0 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 Problem7
  • Insufficient Device Problem Information1

Patient problems

  • Unspecified Infection5
  • Fall1
  • Insufficient Information1
  • Loss of Range of Motion1
  • Medical device site infection1
  • Scar Tissue1
  • Unspecified Tissue Injury1

Recent adverse event reports

The 8 most recent of 8 reports, in the reporter's own words as published by the FDA.

  • InjuryMay 22, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED BY (B)(6), AN ONKOS DISTRIBUTOR, THAT A 34-YEAR-OLD MALE PATIENT WITH AN ELEOS DISTAL FEMUR REPLACEMENT AND CUSTOM PROXIMAL TIBIA UNDERWENT A REVISION SURGERY ON (B)(6) 2024 TO REMOVE ALL IMPLANTED HARDWARE AND PERFORM AN ABOVE THE KNEE AMPUTATION THE OPERATIVE LEG DUE TO A CHRONIC INFECTION.

    Patient problems: Medical device site infection

    MAUDE report 19378088 ↗
  • InjuryNov 11, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT DEVELOPED AN ALLEGED INFECTION. THE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2022 WHERE THE SURGEON REMOVED THE IMPLANTS, FLASHED THEM, AND RE-IMPLANTED THE SAME DEVICES. THE FOLLOWING ELEOS IMPLANTS WERE IMPLANTED AT THE TIME OF THE ALLEGED INFECTION: TIBIAL BASEPLATE, CEMENTED SEGMENTAL STEM, DISTAL FEMUR, CEMENTED STEM EXTENSION, MODULAR COLLAR LOCKING RING, MODULAR REDUCED RESECTION COLLAR, TIBIAL POLY SPACER, TIBIAL HINGE COMPONENT, AND DISTAL FEMUR AXIAL PIN. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN REPORTED.

    Patient problems: Unspecified Infection

    MAUDE report 15780720 ↗
  • InjuryOct 26, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT WAS EXPERIENCING LOSS OF MOBILITY IN THEIR KNEE. THE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2022. DURING THE REVISION SURGERY, THE SURGEON IDENTIFIED SCAR TISSUE FORMATION. THE SURGEON REMOVED THE SCAR TISSUE. THE SURGEON TOOK OUT ALL OF THE IMPLANTS BESIDES THE SEGMENTAL STEM, COLLAR, LOCKING RING, AND TIBIAL BASEPLATE, AND FLASHED THESE DEVICES THEN RE-IMPLANTED THE DEVICES. THE SURGEON SCHEDULED ANOTHER REVISION SURGERY ON (B)(6) 2022 IN ORDER TO REVISE SOME IMPLANTS AND PERFORM A WASHOUT IN ORDER TO PREVENT AN INFECTION. ON (B)(6) 2022, THE SURGEON REVISED THE FOLLOWING IMPLANTS: DISTAL FEMUR AXIAL PIN, POLY SPACER, TIBIAL HINGE COMPONENT, DISTAL FEMUR, AND MALE-FEMALE MIDSECTION. NO ADDITIONAL INFORMATION REGARDING THIS EVENT HAS BEEN PROVIDED.

    Patient problems: Loss of Range of Motion; Scar Tissue

    MAUDE report 15677487 ↗
  • InjurySep 30, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT DEVELOPED AN ALLEGED INFECTION. THE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2022 WHERE THE FOLLOWING ELEOS IMPLANTS WERE EXPLANTED: TIBIAL BASEPLATE, CEMENTED SEGMENTAL STEM, DISTAL FEMUR, CEMENTED STEM EXTENSION, MODULAR COLLAR LOCKING RING, MODULAR REDUCED RESECTION COLLAR, TIBIAL POLY SPACER, TIBIAL HINGE COMPONENT, AND DISTAL FEMUR AXIAL PIN. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN REPORTED.

    Patient problems: Unspecified Infection

    MAUDE report 15509591 ↗
  • InjuryFeb 16, 2022Adverse 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) 2022 DUE TO AN ALLEGED INFECTION. DURING THE REVISION SURGERY, THE SURGEON REVISED THE FOLLOWING ELEOS IMPLANTS: TIBIAL HINGE COMPONENT, DISTAL FEMUR AXIAL PIN, AND TIBIAL POLY SPACER. THE SURGEON PERFORMED A WASHOUT. THE FOLLOWING ELEOS IMPLANTS REMAIN IMPLANTED FROM THE PATIENT'S ORIGINAL SURGERY: TIBIAL BASEPLATE, CEMENTED STEM, DISTAL FEMUR, CEMENTED STEM EXTENSION, MODULAR COLLAR LOCKING RING, AND MODULAR REDUCED RESECTION COLLAR. ADDITIONAL INFORMATION REGARDING THIS EVENT HAS NOT BEEN PROVIDED.

    Patient problems: Unspecified Infection

    MAUDE report 13546352 ↗
  • InjuryNov 6, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT DEVELOPED AN ALLEGED INFECTION AND UNDERWENT A REVISION SURGERY ON (B)(6) 2021. THE SURGEON PERFORMED A WASHOUT AND POLY SWAP. DURING THE REVISION SURGERY, THE FOLLOWING ELEOS IMPLANTS WERE REVISED: RESURFACING FEMUR AXIAL PIN, POLY SPACER, AND TIBIAL HINGE COMPONENT. THE FOLLOWING ELEOS IMPLANTS REMAIN IMPLANTED FROM THE ORIGINAL SURGERY: CEMENTED STEM EXTENSION, BIOGRIP COLLAR, COLLAR LOCKING RING, RESURFACING FEMUR, CEMENTED STEM, AND PROXIMAL TIBIA. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN PROVIDED.

    Patient problems: Unspecified Infection

    MAUDE report 12755827 ↗
  • InjuryOct 19, 2021Insufficient Device Problem Information; Insufficient Device Problem Information

    IT WAS REPORTED THAT THE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2021. THE PATIENT FELL FOR AN UNKNOWN REASON WHICH CAUSED SOFT TISSUE DAMAGE TO THE SURROUNDING STRUCTURES OF THE KNEE. DURING THE REVISION SURGERY, THE SURGEON PERFORMED A SOFT TISSUE REPAIR. A SEGMENTAL STEM WAS REQUESTED FOR THE REVISION SURGERY BUT WAS NOT IMPLANTED. NO ELEOS IMPLANTS WERE REVISED DURING THE REVISION SURGERY. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN MADE AVAILABLE.

    Patient problems: Fall; Insufficient Information; Unspecified Tissue Injury

    MAUDE report 12655975 ↗
  • InjurySep 23, 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 FOLLOWING PART WERE REMOVED AND REVISED: DISTAL FEMUR AXIAL PIN, TIBIAL HINGE COMPONENT, TIBIAL POLY SPACER. THE FOLLOWING PARTS REMAIN IMPLANTED FROM THE ORIGINAL ELEOS SURGERY WHICH TOOK PLACE ON (B)(6) 2021: TIBIAL BASEPLATE, DISTAL FEMUR, STEM EXTENSION, COLLAR, COLLAR LOCKING RING, AND CEMENTED STEM . THE SURGEON REMOVED IMPLANTS WITH POLY COMPONENTS AND PERFORMED INCISION AND DRAINAGE. NO FURTHER INFORMATION WAS MADE AVAILABLE.

    Patient problems: Unspecified Infection

    MAUDE report 12523080 ↗

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

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