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LEGION 71425007Recalls & reported problems

Smith & Nephew, Inc. · LEGION COBALT CHROME CONSTRAINED FEMORAL SIZE 7 LEFT · Class 2 · Implant

All models of LEGION (446)

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

Adverse event reports
14
Deaths reported
0
Injuries reported
14
Recalls naming it
0

Summary

The FDA's MAUDE database contains 14 adverse event reports that list this exact device (DI 03596010580351), received between Jan 20, 2023 and Nov 27, 2024 — classified as 14 injuries.

The most frequently reported specific device problem is “Insufficient Device Problem Information” (7 reports).

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: 2 reportsOct 2024: 7 reportsNov 2024: 4 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 reports2024202520267
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Adverse Event Without Identified Device or Use Problem7
  • Insufficient Device Problem Information7
  • Loosening of Implant Not Related to Bone-Ingrowth1

Patient problems

  • Insufficient Information9
  • Medical device site infection2
  • Inadequate Osseointegration1
  • Muscle/Tendon Damage1
  • Non-malignant Neoplasm1
  • Peripheral Nervous Injury1

Recent adverse event reports

The 14 most recent of 14 reports, in the reporter's own words as published by the FDA.

  • InjuryNov 27, 2024Insufficient Device Problem Information; Insufficient Device Problem Information

    IT WAS REPORTED THAT PATIENT UNDERWENT A TWO STAGE TKA LEFT REVISION SURGERY IN 2019 DUE TO INFECTION. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 0.23 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 20791404 ↗
  • 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 LEFT REVISION SURGERY IN 2016 DUE TO INSTABILITY. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. ON (B)(6) 2019, THE PATIENT EXPERIENCED A RIGHT KNEE NEUROMA THAT REQUIRED EXCISION. 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: Non-malignant Neoplasm; Peripheral Nervous Injury

    MAUDE report 20788488 ↗
  • InjuryNov 7, 2024Insufficient Device Problem Information; Insufficient Device Problem Information

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA LEFT REVISION SURGERY IN 2016 DUE TO INSTABILITY. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 1,72 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 20633534 ↗
  • InjuryNov 5, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA LEFT REVISION SURGERY IN NOV-2015 DUE TO INSTABILITY. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. AFTER THIS PROCEDURE, THE PATIENT REQUIRED TO STAY IN THE INTENSIVE CARE UNIT (ICU). 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 20606173 ↗
  • InjuryOct 25, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA LEFT REVISION SURGERY IN 2015 DUE TO INFECTION. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 0.95 YEARS AFTER THIS PROCEDURE, THE PATIENT SUSTAINED ANOTHER INFECTION THAT REQUIRED A 2-STEP 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 20539717 ↗
  • InjuryOct 25, 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 LEFT REVISION SURGERY IN 2013. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. ON (B)(6) 2016 AFTER THIS PROCEDURE, THE PATIENT SUSTAINED A DRAINAGE AS AN 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: Insufficient Information

    MAUDE report 20538077 ↗
  • InjuryOct 18, 2024Insufficient Device Problem Information; Insufficient Device Problem Information

    IT WAS REPORTED THAT PATIENT UNDERWENT A PRIMARY TKA LEFT SURGERY IN 2012 DUE TO FEMUR FRACTURE NONUNION. DURING THE SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 1.19 YEARS AFTER THIS PROCEDURE, THE PATIENT SUSTAINED AN UNSPECIFIED ADVERSE EVENT THAT REQUIRED A TKA 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 20481738 ↗
  • InjuryOct 17, 2024Insufficient Device Problem Information; Insufficient Device Problem Information

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA LEFT REVISION SURGERY IN 2013 DUE TO DISTAL FEMUR FRACTURE. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 8.52 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 20474743 ↗
  • InjuryOct 10, 2024Insufficient Device Problem Information; Insufficient Device Problem Information

    IT WAS REPORTED THAT PATIENT UNDERWENT A TWO STAGE TKA LEFT REVISION SURGERY IN 2011 DUE TO INFECTION. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 0,20 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 20418845 ↗
  • InjuryOct 9, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA LEFT REVISION SURGERY IN 2010 DUE TO ASEPTIC LOOSENING, BEARING WEAR AND OSTEOLYSIS. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 2.24 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 20411905 ↗
  • InjuryOct 1, 2024Insufficient Device Problem Information; Insufficient Device Problem Information

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA LEFT REVISION SURGERY IN 2010 DUE TO INSTABILITY. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 3.5 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 20348224 ↗
  • 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 LEFT REVISION SURGERY IN 2009 DUE TO ASEPTIC LOOSENING. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 0.21 YEARS AFTER THIS PROCEDURE, THE PATIENT SUSTAINED AN EXTENSOR MECHANISM RUPTURE 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: Muscle/Tendon Damage

    MAUDE report 20327710 ↗
  • InjurySep 23, 2024Insufficient Device Problem Information; Insufficient Device Problem Information

    IT WAS REPORTED THAT PATIENT UNDERWENT A TKA LEFT REVISION SURGERY IN 2008 DUE TO STIFFNESS. DURING THE REVISION SURGERY, LEGION/GII SMITH & NEPHEW COMPONENT(S) WERE IMPLANTED. 0,18 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 20280153 ↗
  • InjuryJan 20, 2023Adverse Event Without Identified Device or Use Problem; Loosening of Implant Not Related to Bone-Ingrowth; Adverse Event Without Identified Device or Use Problem; Loosening of Implant Not Related to Bone-Ingrowth

    IT WAS REPORTED THAT, THE PATIENT UNDERWENT A LEFT TKA REVISION DUE TO OSTEOLYSIS AS PRIMARY DIAGNOSIS. APPROXIMATELY FIFTY ONE (51) MONTHS AFTER THIS PROCEDURE, THE PATIENT EXPERIENCED ASEPTIC LOOSENING 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: Inadequate Osseointegration

    MAUDE report 16219278 ↗

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-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.
  • 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.

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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