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LEGION 71426004Recalls & reported problems

Smith & Nephew, Inc. · LEGION COBALT CHROME CONSTRAINED FEMORAL SIZE 4 RIGHT · Class 2 · Implant

All models of LEGION (446)

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

Adverse event reports
9
Deaths reported
0
Injuries reported
9
Recalls naming it
0

Summary

The FDA's MAUDE database contains 9 adverse event reports that list this exact device (DI 03596010580399), received between Nov 11, 2021 and Nov 26, 2024 — classified as 9 injuries.

The most frequently reported specific device problem is “Insufficient Device Problem Information” (1 report).

4 other recalls cover devices cleared under the same FDA submission (K060742, K230653); 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.

Reports received per month

Nov 2023: 0 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 0 reportsMay 2024: 0 reportsJun 2024: 0 reportsJul 2024: 0 reportsAug 2024: 0 reportsSep 2024: 1 reportsOct 2024: 4 reportsNov 2024: 2 reportsDec 2024: 0 reportsJan 2025: 0 reportsFeb 2025: 0 reportsMar 2025: 0 reportsApr 2025: 0 reportsMay 2025: 0 reportsJun 2025: 0 reportsJul 2025: 0 reportsAug 2025: 0 reportsSep 2025: 0 reportsOct 2025: 0 reportsNov 2025: 0 reportsDec 2025: 0 reportsJan 2026: 0 reportsFeb 2026: 0 reportsMar 2026: 0 reportsApr 2026: 0 reportsMay 2026: 0 reportsJun 2026: 0 reportsJul 2026: 0 reportsAug 2026: 0 reportsSep 2026: 0 reportsOct 2026: 0 reports2024202520264
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Adverse Event Without Identified Device or Use Problem8
  • Insufficient Device Problem Information1

Patient problems

  • Inadequate Osseointegration2
  • Joint Laxity2
  • Medical device site infection2
  • Bone Fracture(s)1
  • Failure of Implant1
  • Insufficient Information1
  • Loss of Range of Motion1
  • Sepsis1

Recent adverse event reports

The 9 most recent of 9 reports, in the reporter's own words as published by the FDA.

  • InjuryNov 26, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA RIGHT REVISION SURGERY IN 2020 DUE TO INSTABILITY. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 3.61 YEARS AFTER THIS PROCEDURE, THE PATIENT SUFFERED FROM INSTABILITY AGAIN AND REQUIRED A TKA RE-REVISION. IT IS UNKNOWN WHICH DEVICES WERE EXPLANTED/EXCHANGED DURING THIS PROCEDURE. THIS INFORMATION WAS COLLECTED RETROSPECTIVELY AS PART OF A POST-MARKET CLINICAL FOLLOW UP ACTIVITY AND IS PROVIDED IN AN ANONYMIZED FORMAT; THEREFORE, NO FURTHER INFORMATION AVAILABLE.

    Patient problems: Joint Laxity

    MAUDE report 20788782 ↗
  • InjuryNov 20, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT PATIENT UNDERWENT A RIGHT TKA REVISION SURGERY IN 2018 DUE TO ASEPTIC LOOSENING. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 5 YEARS AFTER THIS PROCEDURE, THE PATIENT SUFFERED FROM ASEPTIC LOOSENING THAT REQUIRED A TKA RE-REVISION. IT IS UNKNOWN WHICH DEVICES WERE EXPLANTED/EXCHANGED DURING THIS PROCEDURE. THIS INFORMATION WAS COLLECTED RETROSPECTIVELY AS PART OF A POST-MARKET CLINICAL FOLLOW UP ACTIVITY AND IS PROVIDED IN AN ANONYMIZED FORMAT; THEREFORE, NO FURTHER INFORMATION AVAILABLE.

    Patient problems: Inadequate Osseointegration

    MAUDE report 20738216 ↗
  • InjuryOct 17, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA RIGHT REVISION SURGERY IN 2012 DUE TO UNSPECIFIED REASONS. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 0.82 YEARS AFTER THIS PROCEDURE, THE PATIENT SUSTAINED AN INFECTION THAT REQUIRED A 2 STAGE TKA RE-REVISION. IT IS UNKNOWN WHICH DEVICES WERE EXPLANTED/EXCHANGED DURING THIS PROCEDURE. THIS INFORMATION WAS COLLECTED RETROSPECTIVELY AS PART OF A POST-MARKET CLINICAL FOLLOW UP ACTIVITY AND IS PROVIDED IN AN ANONYMIZED FORMAT; THEREFORE, NO FURTHER INFORMATION AVAILABLE.

    Patient problems: Medical device site infection

    MAUDE report 20476118 ↗
  • InjuryOct 14, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA RIGHT REVISION SURGERY IN 2011 DUE TO STIFFNESS. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 0,37 YEARS AFTER THIS PROCEDURE, THE PATIENT SUSTAINED ARTHROFIBROSIS AN REQUIRED ADDITIONAL SURGERY. THIS INFORMATION WAS COLLECTED RETROSPECTIVELY AS PART OF A POST-MARKET CLINICAL FOLLOW UP ACTIVITY AND IS PROVIDED IN AN ANONYMIZED FORMAT; THEREFORE, NO FURTHER INFORMATION AVAILABLE.

    Patient problems: Loss of Range of Motion

    MAUDE report 20439726 ↗
  • InjuryOct 7, 2024Insufficient Device Problem Information; Insufficient Device Problem Information

    IT WAS REPORTED THAT PATIENT UNDERWENT A TWO STAGE TKA RIGHT REVISION SURGERY IN 2011 DUE TO INFECTION. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 0,44 YEARS AFTER THIS PROCEDURE, THE PATIENT SUSTAINED AN UNSPECIFIED ADVERSE EVENT THAT REQUIRED A TKA RE-REVISION. IT IS UNKNOWN WHICH DEVICES WERE EXPLANTED/EXCHANGED DURING THIS PROCEDURE. THIS INFORMATION WAS COLLECTED RETROSPECTIVELY AS PART OF A POST-MARKET CLINICAL FOLLOW UP ACTIVITY AND IS PROVIDED IN AN ANONYMIZED FORMAT; THEREFORE, NO FURTHER INFORMATION AVAILABLE.

    Patient problems: Insufficient Information

    MAUDE report 20391912 ↗
  • InjuryOct 7, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT PATIENT UNDERWENT A TWO STAGE TKA RIGHT REVISION SURGERY IN 2011 DUE TO INFECTION. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 0,10 YEARS AFTER THIS PROCEDURE, THE PATIENT SUSTAINED AN INFECTION THAT REQUIRED A WOUND DRAINAGE. THIS INFORMATION WAS COLLECTED RETROSPECTIVELY AS PART OF A POST-MARKET CLINICAL FOLLOW UP ACTIVITY AND IS PROVIDED IN AN ANONYMIZED FORMAT; THEREFORE, NO FURTHER INFORMATION AVAILABLE.

    Patient problems: Medical device site infection

    MAUDE report 20391154 ↗
  • InjurySep 27, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA RIGHT REVISION SURGERY IN 2008 DUE TO ASEPTIC LOOSENING, BEARING WEAR, OSTEOLYSIS AND INSTABILITY. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. ON (B)(6) 2010, THE PATIENT SUSTAINED A CANAL PERFORATION-TIBIA AND SMALL CRACK-FEMUR. IT IS UNKNOWN HOW THIS EVENT WAS TREATED. THIS INFORMATION WAS COLLECTED RETROSPECTIVELY AS PART OF A POST-MARKET CLINICAL FOLLOW UP ACTIVITY AND IS PROVIDED IN AN ANONYMIZED FORMAT; THEREFORE, NO FURTHER INFORMATION AVAILABLE.

    Patient problems: Bone Fracture(s)

    MAUDE report 20321592 ↗
  • InjuryJan 23, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT, THE PATIENT UNDERWENT A RIGHT TKA REVISION DUE TO JOINT INSTABILITY AS PRIMARY DIAGNOSIS. APPROXIMATELY SIX (6) MONTHS AFTER THIS PROCEDURE, THE PATIENT EXPERIENCED JOINT INSTABILITY OF THE REVISED KNEE PROSTHESIS AND REQUIRED A SECOND REVISION. THE DATES IN WHICH THE INDEX SURGERY, FIRST REVISION AND SECOND REVISION TOOK PLACE ARE NOT KNOWN. IT IS ALSO UNKNOWN WHICH DEVICES WERE EXPLANTED AND/OR EXCHANGED DURING THE SECOND REVISION. THIS INCIDENT WAS IDENTIFIED IN A RETROSPECTIVE POST-MARKET CLINICAL FOLLOW UP ACTIVITY (PMCF) WHERE ANONYMIZED DATA SUMMARIZING TKA REVISION OUTCOMES WERE GATHERED; THEREFORE, ADDITIONAL INFORMATION IS NOT KNOWN.

    Patient problems: Joint Laxity

    MAUDE report 16223357 ↗
  • InjuryNov 11, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT, AFTER A TKA SURGERY PERFORMED ON (B)(6) 2020, THE LEGION REV TIBIA BASEPLATE SZ 2 RIGHT ((B)(4)) BECAME LOOSE DUE TO SEPSIS, SO ON (B)(6) 2021 A REVISION SURGERY WAS PERFORMED TO REMOVE THE LEGION REV TIBIA BASEPLATE SZ 2 RIGHT ((B)(4)), THE GENESIS II CONSTRAINED ARTICULAR INSERT SIZE 1-2 18MM ((B)(4)), THE LEGION COBALT CHROME CONSTRAINED FEMORAL SIZE 4 RIGHT ((B)(4)) AND THE LEGION PRESSFIT STEM 14MM X 160MM ((B)(4)). CURRENT HEALTH STATUS OF THE PATIENT IS UNKNOWN.

    Patient problems: Failure of Implant; Inadequate Osseointegration; Sepsis

    MAUDE report 12796698 ↗

Recalls under the same FDA submission

These recalls involve devices cleared under K060742, K230653. One submission often covers many models, so check the product and lot details in each record.

  • Z-2621-2023 · Aug 31, 2023 · Open, Classified
    smith&nephew LEGION OXINUM POSTERIOR STABILIZED NONPOROUS FERMOAL COMPONENT, SIZE 5N, LEFT, NARROW, REF 71421265; knee joint
  • Z-0589-2015 · Nov 4, 2014 · Terminated
    LEGION(TM) COCR CONSTRAINED FEMORAL COMPONENT, SIZE 4, LEFT, REF 71425004, QTY 1, Smith & Nephew, knee prosthesis Usage:orthopedic.
  • Z-0591-2015 · Nov 4, 2014 · Terminated
    LEGION(TM) COCR CONSTRAINED FEMORAL COMPONENT, SIZE 6, LEFT, REF 71426006, QTY 1, Smith & Nephew, knee prosthesis Usage:orthopedic.
  • Z-0590-2015 · Nov 4, 2014 · Terminated
    LEGION(TM) COCR CONSTRAINED FEMORAL COMPONENT, SIZE 5, RIGHT, REF 71426005, QTY 1, Smith & Nephew, knee prosthesis Usage:orthopedic.

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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