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ELEOS™ KSP15100ERecalls & reported problems

Onkos Surgical, Inc. · ELEOS™ STEM EXTENSION16X100MM STRAIGHT, SPLINED, SLOTTED 16X100MM · 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 B278KSP15100E0), received between Jul 21, 2022 and Apr 12, 2023 — classified as 2 injuries.

The most frequently reported specific device problem is “Loosening of Implant Not Related to Bone-Ingrowth” (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 Problem1
  • Loosening of Implant Not Related to Bone-Ingrowth1

Patient problems

  • Insufficient Information2
  • Unspecified Infection1

Recent adverse event reports

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

  • InjuryApr 12, 2023Loosening of Implant Not Related to Bone-Ingrowth; Loosening of Implant Not Related to Bone-Ingrowth

    THE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2023 DUE TO A SUSPECTED STEM LOOSENING. IT WAS REPORTED THAT IN THE ORIGINAL SURGERY, THE PATIENT WAS IMPLANTED WITH A 16X100MM CANAL-FILLING STEM EXTENSION. THE SURGEON REVISED THE 16X100MM CANAL-FILLING STEM EXTENSION TO A 16X140MM CANAL-FILLING STEM EXTENSION. DURING THE REVISION SURGERY, THE SURGEON ALSO IMPLANTED THE FOLLOWING ELEOS IMPLANTS: TIBIAL HINGE COMPONENT, TIBIAL BASEPLATE, TIBIAL BASEPLATE TAPERED SCREW, TIBIAL BLOCK AUGMENT, DISTAL FEMUR AXIAL PIN, AND TIBIAL POLY SPACER. THERE WERE NO ALLEGED MALFUNCTIONS WITH THE TIBIAL HINGE COMPONENT, TIBIAL BASEPLATE, TIBIAL BASEPLATE TAPERED SCREW, TIBIAL BLOCK AUGMENT, DISTAL FEMUR AXIAL PIN, AND TIBIAL POLY SPACER. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN REPORTED.

    Patient problems: Insufficient Information

    MAUDE report 16727855 ↗
  • InjuryJul 21, 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. THE FOLLOWING IMPLANTS WERE REMOVED AND REPLACED DURING THE REVISION: ELEOS TIBIAL HINGE, ELEOS TIBIAL POLY SPACER, ELEOS DISTAL FEMUR AXIAL PIN, ELEOS DISTAL FEMUR AND 2 X ELEOS MALE-FEMALE MIDSECTIONS. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN PROVIDED.

    Patient problems: Insufficient Information; Unspecified Infection

    MAUDE report 15079954 ↗

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-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-2423-2025 · Jul 11, 2025 · Open, Classified
    ELEOS SEGMENTAL LIMB SALVAGE SYSTEM, ELEOS BOWED CANAL FILLING STEMS. 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-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-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-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-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
  • 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

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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