ELEOS™ KSP13140ERecalls & reported problems
Onkos Surgical, Inc. · ELEOS™ STEM EXTENSION14X140MM STRAIGHT, SPLINED, SLOTTED 14X140MM · Class 2 · Implant
All models of ELEOS (127)
Data updated Oct 16, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 6
- Deaths reported
- 0
- Injuries reported
- 6
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 6 adverse event reports that list this exact device (DI B278KSP13140E0), received between Aug 6, 2020 and Mar 3, 2023 — classified as 6 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 Problem3
- Appropriate Device Problem Term/Code Not Available1
- Loose or Intermittent Connection1
- Loosening of Implant Not Related to Bone-Ingrowth1
Patient problems
- Insufficient Information3
- Unspecified Infection3
- Bone Fracture(s)1
- Pain1
- Ulcer1
Recent adverse event reports
The 6 most recent of 6 reports, in the reporter's own words as published by the FDA.
InjuryMar 3, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
IT WAS REPORTED THAT THE PATIENT WAS REVISED ON (B)(6) 2021 DUE TO AN ALLEGED INFECTION. DURING THIS REVISION SURGERY THE FOLLOWING IMPLANTS WERE REVISED: ELEOS TIBIAL HINGE COMPONENT, ELEOS TIBIAL POLY SPACER, ELEOS DISTAL FEMUR AXIAL PIN AND ELEOS DISTAL FEMUR. THE FOLLOWING ELEOS IMPLANTS REMAIN IMPLANTED FROM THE PATIENT'S ORIGINAL SURGERY: CANAL-FILLING STEM EXTENSION, TIBIAL BASEPLATE, MALE-FEMALE MIDSECTIONS, MALE-MALE MIDSECTION, AND PROXIMAL FEMUR. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN REPORTED.
Patient problems: Unspecified Infection
MAUDE report 16482889 ↗InjuryFeb 3, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT WAS REVISED ON (B)(6) 2023 DUE TO AN ALLEGED INFECTION. DURING THIS REVISION SURGERY THE FOLLOWING IMPLANTS WERE REVISED: ELEOS TIBIAL HINGE COMPONENT, ELEOS TIBIAL POLY SPACER AND ELEOS DISTAL FEMUR AXIAL PIN. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN PROVIDED.
Patient problems: Insufficient Information; Unspecified Infection
MAUDE report 16297186 ↗InjuryMay 19, 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 REVISED: ELEOS TIBIAL POLY SPACER 8MM, ELEOS RESURFACING FEMUR AXIAL PIN SIZE: 4, AND ELEOS TIBIAL HINGE COMPONENT W/ ROTATIONAL STOP. AFTER THIS REVISION SURGERY THE FOLLOWING IMPLANTS REMAIN IMPLANTED: ELEOS STEM EXTENSION CANAL FILLING SIZE: 14MM X 140MM STRAIGHT SPLINED SLOTTED, ELEOS TIBIAL BLOCK AUGMENT SIZE: 2 THICKNESS: 5MM, ELEOS TIBIAL BASEPLATE SIZE: 2, ELEOS STEM EXTENSION CEMENTED SIZE: 12MM X 100MM STRAIGHT FLUTED, ELEOS TIBIAL BLOCK AUGMENT SIZE: 2 THICKNESS: 5MM, AND ELEOS RESURFACING FEMUR SIZE 4 LEFT. NO ADDITIONAL INFORMATION REGARDING THIS ADVERSE EVENT HAS BEEN PROVIDED.
Patient problems: Insufficient Information; Unspecified Infection
MAUDE report 14438882 ↗InjuryDec 7, 2021Loosening of Implant Not Related to Bone-Ingrowth; Loosening of Implant Not Related to Bone-Ingrowth
IT WAS REPORTED THAT THE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2021 DUE TO LOOSENING OF THEIR 14X140MM CANAL-FILLING STEM EXTENSION. DURING THE REVISION SURGERY, THE SURGEON PLACED A 15X140MM CANAL-FILLING STEM EXTENSION. THE SURGEON ALSO REVISED THE FOLLOWING ELEOS IMPLANTS: RESURFACING FEMUR, TIBIAL POLY SPACER, RESURFACING FEMUR AXIAL PIN, MALE-FEMALE MIDSECTION, AND TIBIAL HINGE COMPONENT. FURTHER INFORMATION REGARDING THIS ADVERSE EVENT HAS NOT BEEN PROVIDED.
Patient problems: Insufficient Information
MAUDE report 12954937 ↗InjurySep 8, 2021Appropriate Device Problem Term/Code Not Available; Appropriate Device Problem Term/Code Not Available
A PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2021 PERFORMED BY DR. (B)(6). THE SURGERY WAS PERFORMED DUE TO ULCERATION AROUND ELEOS TOTAL FEMUR COMPONENT. DURING THE SURGERY, THE SURGEON REMOVED ALL IMPLANTS THAT WERE IMPLANTED AT THE TIME AS IT WAS DECIDED THAT THE PATIENT'S LEG WOULD BE AMPUTATED ABOVE THE KNEE. TO GIVE THE PATIENT'S THIGH STRUCTURE, A MALE-FEMALE MIDSECTION WITH A CUSTOM END CAP IMPLANT WAS PLACED IN THE PATIENT'S UPPER LEG.
Patient problems: Ulcer
MAUDE report 12441355 ↗InjuryAug 6, 2020Loose or Intermittent Connection; Loose or Intermittent Connection
THE PATIENT UNDERWENT A REVISION SURGERY ON (B)(6) 2020 DUE TO A PERIPROSTHETIC FRACTURE OF THE ANTERIOR TIBIA AS WELL AS DISSOCIATION BETWEEN THE TIBIAL BASEPLATE AND THE TIBIAL STEM EXTENSION. THE TIBIAL BASEPLATE, STEM EXTENSION, POLY SPACER, TIBIAL HINGE COMPONENT, AND DISTAL FEMUR AXIAL PIN WERE EXPLANTED AND REPLACED WITH NEW IMPLANTS. THE PERIPROSTHETIC FRACTURE WAS ALSO REPAIRED DURING THE REVISION.
Patient problems: Bone Fracture(s); Pain
MAUDE report 10373226 ↗
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-2423-2025 · Jul 11, 2025 · Open, ClassifiedELEOS SEGMENTAL LIMB SALVAGE SYSTEM, ELEOS BOWED CANAL FILLING STEMS. Canal filling stem implants.
- 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-1857-2025 · Sep 22, 2024 · Open, ClassifiedELEOS MALE-FEMALE MIDSECTION 40MM. Part Number: 25001040E. Component of ELEOS Limb Salvage System
- 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-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-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-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-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-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
- 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
Other PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER devices
- ATTUNE 1506-00-005Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER589 reports
- ATTUNE 1506-00-004Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER580 reports
- JOURNEY 74012812Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER502 reports
- JOURNEY 74011856Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER438 reports
- PERSONA™ 42-5099-094-00Zimmer, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER406 reports
- JOURNEY 74011857Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER388 reports
- ATTUNE 1506-00-007Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER288 reports
- ATTUNE 1506-00-003Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER271 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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