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ELEOS™ KSP20100ERecalls & reported problems

Onkos Surgical, Inc. · ELEOS™ STEM EXTENSION21X100MM STRAIGHT, SPLINED, SLOTTED 21X100MM · Class 2 · Implant

All models of ELEOS (127)

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

Adverse event reports
2
Deaths reported
0
Injuries reported
2
Recalls naming it
0

Summary

The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI B278KSP20100E0), received between Nov 21, 2019 and Feb 4, 2022 — classified as 2 injuries.

The most frequently reported specific device problem is “Loose or Intermittent Connection” (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.

Most reported problems

Device problems

  • Adverse Event Without Identified Device or Use Problem2
  • Loose or Intermittent Connection1

Patient problems

  • Bone Fracture(s)1
  • Insufficient Information1
  • Unspecified Infection1

Recent adverse event reports

The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.

  • InjuryFeb 4, 2022Loose or Intermittent Connection; Adverse Event Without Identified Device or Use Problem; Loose or Intermittent Connection; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT PRESENTED WITH AN ALLEGED DISASSOCIATED STEM ON THE RESURFACING FEMUR AND AN ALLEGED INFECTION ON (B)(6) 2022, AFTER RECEIVING A PROXIMAL TIBIA REPLACEMENT SURGERY ON (B)(6) 2020. THE IMPLANTING SURGEON PERFORMED REVISION SURGERIES ON THE PATIENT TO WASH THE PATIENT OUT ON (B)(6) 2022 AND (B)(6) 2022. THE SURGEON ALSO PERFORMED A REVISION SURGERY ON (B)(6) 2022 TO REMOVE ALL THE IMPLANTS THAT WERE IMPLANTED ON (B)(6) 2020 DURING THE ORIGINAL THE PROXIMAL TIBIA REPLACEMENT SURGERY. IT WAS ALSO REPORTED THAT THE SURGEON PLANS TO PUT IN REPLACEMENT IMPLANTS WHEN THE INFECTION CLEARS UP. NO REVISION SURGERY TO DO THIS HAS BEEN SCHEDULED YET. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN PROVIDED.

    Patient problems: Insufficient Information; Unspecified Infection

    MAUDE report 13458682 ↗
  • InjuryNov 21, 2019Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    THE PATIENT UNDERWENT A REVISION SURGERY DUE TO A NON-UNION FEMORAL FRACTURE ABOVE THE END OF THE STEM WITHIN THE INTRAMEDULLARY CANAL.

    Patient problems: Bone Fracture(s)

    MAUDE report 9356065 ↗

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-2425-2025 · Jul 11, 2025 · Open, Classified
    ELEOS SEGMENTAL LIMB SALVAGE SYSTEM, ELEOS STEM EXTENSION, STRAIGHT, SPLINED, SLOTTED. Canal filling stem implants.
  • 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-1857-2025 · Sep 22, 2024 · Open, Classified
    ELEOS MALE-FEMALE MIDSECTION 40MM. Part Number: 25001040E. Component of ELEOS Limb Salvage System
  • 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-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-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-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-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

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