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
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, Classifiedsmith&nephew LEGION OXINUM POSTERIOR STABILIZED NONPOROUS FERMOAL COMPONENT, SIZE 5N, LEFT, NARROW, REF 71421265; knee joint
- Z-0589-2015 · Nov 4, 2014 · TerminatedLEGION(TM) COCR CONSTRAINED FEMORAL COMPONENT, SIZE 4, LEFT, REF 71425004, QTY 1, Smith & Nephew, knee prosthesis Usage:orthopedic.
- Z-0591-2015 · Nov 4, 2014 · TerminatedLEGION(TM) COCR CONSTRAINED FEMORAL COMPONENT, SIZE 6, LEFT, REF 71426006, QTY 1, Smith & Nephew, knee prosthesis Usage:orthopedic.
- Z-0590-2015 · Nov 4, 2014 · TerminatedLEGION(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
- 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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