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, ClassifiedELEOS 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, ClassifiedELEOS SEGMENTAL LIMB SALVAGE SYSTEM, ELEOS STEM EXTENSION, STRAIGHT, SPLINED, SLOTTED. Canal filling stem implants.
- Z-2423-2025 · Jul 11, 2025 · Open, ClassifiedELEOS SEGMENTAL LIMB SALVAGE SYSTEM, ELEOS BOWED CANAL FILLING STEMS. Canal filling stem implants.
- Z-1857-2025 · Sep 22, 2024 · Open, ClassifiedELEOS MALE-FEMALE MIDSECTION 40MM. Part Number: 25001040E. Component of ELEOS Limb Salvage System
- Z-1882-2025 · Sep 1, 2023 · Open, ClassifiedSegmental 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, ClassifiedSegmental 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, Classifieda. 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, ClassifiedMale-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 · TerminatedELEOS 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 · TerminatedELEOS 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 · TerminatedELEOS 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
- ELEOS™ 25001208EOnkos Surgical, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER3 deaths193 reports
- ELEOS™ THSMWRS01MOnkos Surgical, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, CONSTRAINED, CEMENTED, METAL/POLYMER190 reports
- "UNITED" USTAR II Hip System 1115-1413United Orthopedic Corp. · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer3 recalls3 reports
- "UNITED" USTAR II Hip System 1115-1217United Orthopedic Corp. · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer3 recalls0 reports
- "UNITED" USTAR II Hip System 1115-1417United Orthopedic Corp. · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer3 recalls0 reports
- "UNITED" USTAR II Hip System 1115-1213United Orthopedic Corp. · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer3 recalls0 reports
- Endo-Model Modular Knee Prosthesis System 15-3816/11WALDEMAR LINK GmbH & Co. KG · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer2 recalls6 reports
- Endo-Model Modular Knee Prosthesis System 15-3816/12WALDEMAR LINK GmbH & Co. KG · Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer2 recalls6 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 16, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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