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ELEOS™ 2500SP16ERecalls & reported problems

Onkos Surgical, Inc. · ELEOS™ SEGMENTAL STEM, CANAL FILLING STRAIGHT, SPLINED, FULL PLASMA, 25MM COLLAR 16MM X 120MM · 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 B2782500SP16E0), received between Jan 10, 2019 and Oct 30, 2020 — classified as 2 injuries.

The most frequently reported specific device problem is “Failure to Osseointegrate” (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

  • Failure to Osseointegrate1
  • Patient-Device Incompatibility1

Patient problems

  • Failure of Implant1
  • Scar Tissue1

Recent adverse event reports

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

  • InjuryOct 30, 2020Patient-Device Incompatibility

    A (B)(6) MALE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2020 PERFORMED BY DR. (B)(6) DUE TO SCAR TISSUE FORMING AROUND THE PATIENT'S PATELLA WHICH WAS CAUSING PAIN, STIFFNESS, AND A LOSS OF RANGE OF MOTION OF THE KNEE. THE SURGEON DEBRIDED THE SCAR TISSUE BUT DID NOT REPLACE THE IMPLANTS AS THEY WERE DEEMED TO NOT BE AFFECTED AND THERE WERE NO FAILURES FOUND INTRAOPERATIVELY.

    Patient problems: Scar Tissue

    MAUDE report 10766324 ↗
  • InjuryJan 10, 2019Failure to Osseointegrate; Failure to Osseointegrate

    PATIENT UNDERWENT A REVISION SURGERY DUE TO THE DISTAL FEMORAL STEM SUBSIDED WITHIN THE INTRAMEDULLARY CANAL.

    Patient problems: Failure of Implant

    MAUDE report 8233469 ↗

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-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-1857-2025 · Sep 22, 2024 · Open, Classified
    ELEOS MALE-FEMALE MIDSECTION 40MM. Part Number: 25001040E. Component of ELEOS Limb Salvage System
  • 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-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-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
  • 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

Other PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER devices

All PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER devices →

Sources and updates

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