SIGMA AOX 1961-92-145Recalls & reported problems
Depuy Orthopaedics, Inc. · SIGMA TIBIAL INSERT ROTATING PLATFORM STABILIZED AOX SIZE 4 20mm · Class 3 · Implant
All models of SIGMA AOX (53)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 7
- Deaths reported
- 0
- Injuries reported
- 7
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 7 adverse event reports that list this exact device (DI 10603295076629), received between May 24, 2018 and Jul 26, 2024 — classified as 7 injuries.
The most frequently reported specific device problem is “Insufficient Device Problem Information” (1 report).
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 18, 2026.
Reports received per month
Most reported problems
Device problems
- Adverse Event Without Identified Device or Use Problem6
- Insufficient Device Problem Information1
Patient problems
- Pain5
- Unspecified Infection5
- Cellulitis1
- Erythema1
- Inflammation1
- Joint Laxity1
- Not Applicable1
- Swelling/ Edema1
Recent adverse event reports
The 7 most recent of 7 reports, in the reporter's own words as published by the FDA.
InjuryJul 26, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
THAYER SCHOOL OF ENGINEERING AT DARTMOUTH FIRST REPORT OF RETRIEVALS FOR STATEMENT OF WORK 10 FOR Q2 OF 2024. A DEPUY SYNTHES IMPLANT WAS REVISED AND REVIEWED FOR ANALYSIS. REASON FOR REVISION: REVISION DUE TO PAIN. AT REVISION THE ARTICULAR SURFACE OF THE FIXED-BEARING POLYETHYLENE TIBIAL INSERT SHOWS IMPINGEMENT OF THE INTERCONDYLAR EMINENCE. DOI: ON (B)(6) 2022. DOE: ON (B)(6) 2024.
Patient problems: Pain; Unspecified Musculoskeletal problem
MAUDE report 19843108 ↗InjuryAug 22, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
IT WAS REPORTED THAT PATIENT UNDERWENT A RIGHT KNEE REVISION DUE TO AN INFECTION. DATE OF IMPLANT: (B)(6) 2014, DATE OF REVISION: (B)(6) 2023, TREATMENT: INSERT AND PATELLA WERE REVISED.
Patient problems: Unspecified Infection
MAUDE report 17597608 ↗InjuryAug 18, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
IT WAS REPORTED THAT PATIENT CAME IN NOT FEELING WELL AND HAD PAIN IN HIS KNEE. AFTER EXAMINING, IT WAS DETERMINED THAT HIS KNEE WAS SEPTIC. THE SURGEON OPENED THE KNEE, WASHED IT OUT AND SWAPPED THE POLY AND PATELLA BUTTON. SURGICAL DELAY UNKNOWN. DOI: (B)(6) 2014, DOR: (B)(6) 2023, AFFECTED SIDE: RIGHT KNEE.
Patient problems: Pain; Unspecified Infection
MAUDE report 17571478 ↗InjuryMay 12, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
CLINICAL ADVERSE EVENT RECEIVED FOR INCREASED KNEE PAIN AND DEEP INFECTION. EVENT IS SERIOUS AND IS CONSIDERED SEVERE. EVENT IS POSSIBLY RELATED TO BOTH DEVICE AND PROCEDURE. DATE OF IMPLANT:(B)(6) 2017. DATE OF EVENT: UNK 2019. (LEFT KNEE). TREATMENT: EXPLANT OF ALL COMPONENTS, EIGHT WEEKS OF ANTIBIOTICS (RE-IMPLANTATION OF COMPONENTS PLANNED AFTER ANTIBIOTIC TREATMENT).
Patient problems: Pain; Unspecified Infection
MAUDE report 16918898 ↗InjuryJan 18, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
CLINICAL ADVERSE EVENT RECEIVED FOR FAILING SUPPRESSION AND DEEP INFECTION. EVENT IS SERIOUS AND IS CONSIDERED SEVERE. EVENT IS POSSIBLY RELATED TO BOTH DEVICE AND PROCEDURE. DATE OF IMPLANT: (B)(6) 2020. DATE OF REVISION #1: (B)(6) 2020. DATE OF REVISION #2: UNK. DATE OF EVENT: (B)(6) 2023. LEFT KNEE. TREATMENT: REVISION; FEMORAL COMPONENT, TIBIAL, INSERT, AND PATELLA WERE REVISED.
Patient problems: Erythema; Inflammation; Joint Laxity; Pain; Swelling/ Edema; Unspecified Infection
MAUDE report 16195254 ↗InjuryJun 3, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
CLINICAL NOTIFICATION RECEIVED FOR REVISION AND I&D DUE TO INFECTION. INSERT WAS REMOVED. DATE OF IMPLANT: (B)(6) 2022. DATE OF REVISION: (B)(6) 2022. RIGHT KNEE. TREATMENT: REMOVAL OF INSERT AND I&D.
Patient problems: Cellulitis; Synovitis; Unspecified Infection
MAUDE report 14594918 ↗InjuryMay 24, 2018Insufficient Device Problem Information; Insufficient Device Problem Information
SUBJECT ID: (B)(6). CLINICAL ADVERSE EVENT RECEIVED FOR INSTABILITY WITH PAIN SECONDARY TO THE INSTABILITY. EVENT IS SERIOUS AND IS CONSIDERED MODERATE. EVENT IS DEFINITELY RELATED TO DEVICE AND DEFINITELY NOT RELATED TO PROCEDURE. TREATMENT INCLUDES REVISION OF THE INSERT. DOI: (B)(6) 2015; DOE: (B)(6) 2018; DOR: (B)(6) 2018; (LEFT KNEE).
Patient problems: Not Applicable; Pain
MAUDE report 7540383 ↗
Other Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing devices
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- ATTUNE 1506-10-004Depuy (Ireland) · Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing442 reports
- ATTUNE 1518-20-038Depuy (Ireland) · Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing3 deaths393 reports
- LCS SIGMA 1294-33-130Depuy (Ireland) · Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing1 recall310 reports
- ATTUNE 1518-20-035Depuy (Ireland) · Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing342 reports
- P.F.C. SIGMA 96-0102Depuy (Ireland) · Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing1 death319 reports
- ATTUNE 1518-20-041Depuy (Ireland) · Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing308 reports
- ATTUNE 1506-10-007Depuy (Ireland) · Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing284 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 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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