SIGMA AOX 1961-92-142Recalls & reported problems
Depuy Orthopaedics, Inc. · SIGMA TIBIAL INSERT ROTATING PLATFORM STABILIZED AOX SIZE 4 12.5mm · Class 3 · Implant
All models of SIGMA AOX (53)
Data updated Oct 16, 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 10603295076599), received between Aug 30, 2017 and Jun 23, 2025 — 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 16, 2026.
Reports received per month
Most reported problems
Device problems
- Adverse Event Without Identified Device or Use Problem6
- Insufficient Device Problem Information1
Patient problems
- Adhesion(s)3
- Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available3
- Discomfort3
- Pain3
- Swelling/ Edema3
- Synovitis3
- Unspecified Infection3
- Joint Laxity2
Recent adverse event reports
The 7 most recent of 7 reports, in the reporter's own words as published by the FDA.
InjuryJun 23, 2025Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT WAS REVISED DUE TO INFECTION. DOI: (B)(6) 2010. DOR: (B)(6) 2025. AFFECTED SIDE: UNKNOWN KNEE.
Patient problems: Unspecified Infection
MAUDE report 22308897 ↗InjuryMay 1, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT HAD KNEE REPLACEMENT IN PA OVER 10 YEARS AGO. WAS BEING TREAT FOR SPINE INFECTION, THEN KNEE INFECTION. SURGEON PERFORMED A WASHOUT WITH POLY SWAP. NO OTHER INFO IN AVAILABLE. DOI: UNKNOWN. DOR: (B)(6) 2024. AFFECTED SIDE: RIGHT KNEE.
Patient problems: Unspecified Infection
MAUDE report 19222006 ↗InjuryAug 29, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
SPOKE WITH PATIENT ON PHONE TODAY (B)(6) 2022. PATIENT STATES HIS PRIMARY WAS DONE IN (B)(6) , IN ON (B)(6) 2022 WITH DEPUY IMPLANTS. HE HAS NOW HAD A REVISION ON (B)(6) 2022. HE STATES THE TRAY WAS TILTED AND PRIOR TO THE REVISION, HE HAD PAIN AND DIFFICULTY WALKING. PART/LOT PROVIDED OF THE FEMORAL AND INSERT ARE BELOW. HE DID NOT HAVE ANY INFORMATION REGARDING THE TRAY. HE THEN REQUESTED COMPENSATION AND HIS INFORMATION HAS BEEN FORWARDED TO LEGAL (SEE (B)(4) LEGAL NOTIFICATION). HE WAS ALSO PROVIDED THE CONTACT INFORMATION OF THE LEGAL PARALEGAL. HE HAS NO FURTHER NEEDS AT THIS TIME. DOI: (B)(6) 2019; DOR: (B)(6) 2022; UNKNOWN SIDE.
Patient problems: Adhesion(s); Ambulation or Postural Difficulties; Fatigue; Pain; Rash; Swelling/ Edema; Synovitis; Unspecified Infection
MAUDE report 15311832 ↗InjuryJan 29, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
CLINICAL NOTIFICATION RECEIVED FOR REVISION OF THE LEFT TOTAL KNEE TO ADDRESS INFECTION. DATE OF IMPLANTATION: (B)(6) 2017, DATE OF REVISION: (B)(6) 2021, (LEFT KNEE). TREATMENT: EXPLANTATION OF ALL IMPLANTS.
Patient problems: Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available
MAUDE report 11251586 ↗InjuryJan 26, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
ON (B)(6) 2021, THE PATIENT UNDERWENT A BILATERAL KNEE REVISION DUE TO CONFIRMED INFECTION. IN ADDITION TO THE PREVIOUSLY REPORTED BILATERAL SWELLING, THE PATIENT WAS ALSO EXPERIENCING THE FOLLOWING BILATERAL KNEE ISSUES: PATELLA CLUNK, INSTABILITY, PAIN, DISCOMFORT, STIFFNESS, SYNOVITIS, EFFUSIONS, AND ADHESIONS. THE LEFT KNEE WAS NOTED TO SHOW OSTEOLYSIS UNDER THE PATELLA WHILE THE RIGHT KNEE SHOWED FEMORAL AND TIBIAL BONE LOSS.
Patient problems: Adhesion(s); Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available; Discomfort; Joint Laxity; Muscular Rigidity; Osteolysis; Pain; Swelling/ Edema; Synovitis
MAUDE report 11230448 ↗InjuryJan 25, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
ON (B)(6) 2017, THE PATIENT WAS NOTED TO HAVE A RIGHT TOTAL KNEE ARTHROPLASTY TO ADDRESS PRIMARY OSTEOARTHRITIS. DEPUY COMPONENTS INCLUDING DEPUY PATELLA AND DEPUY CEMENT WERE USED. THERE WERE NO COMPLICATIONS NOTED DURING THE PROCEDURE. ON (B)(6) 2021, THE PATIENT HAD BILATERAL STAGE ONE REVISION TO ADDRESS BILATERAL CHRONICALLY INFECTED TOTAL KNEE ARTHROPLASTIES. PRIOR TO SURGERY THE PATIENT WAS NOTED TO HAVE PAIN, SWELLING, CHRONIC CLUNK, STIFFNESS, AND DISCOMFORT WITH SIGNIFICANT SYNOVITIS AND EFFUSION. GRAM-POSITIVE COCCI WERE FOUND DURING PREOPERATIVE ASPIRATION. ALL COMPONENTS INCLUDING THE PATELLA WERE REVISED. DEPUY COMPONENTS INCLUDING DEPUY CEMENT WERE USED DURING THIS PROCEDURE. ON THE RIGHT SIDE, THE SURGEON NOTED A LITTLE BIT MORE BONE LOSS. NO OTHER COMPLICATIONS WERE NOTED. DEPUY COMPONENTS INCLUDING DEPUY CEMENT WERE USED FOR BOTH KNEES DURING THIS PROCEDURE.
Patient problems: Adhesion(s); Appropriate Clinical Signs, Symptoms and Conditions Term/Code Not Available; Discomfort; Joint Laxity; Muscular Rigidity; Pain; Swelling/ Edema; Synovitis
MAUDE report 11222666 ↗InjuryAug 30, 2017Insufficient Device Problem Information; Insufficient Device Problem Information
REPORT STATES THAT THE PATIENT WAS FEELING SOME DISCOMFORT. UPON OPENING THE KNEE SURGEON DECIDED THAT IT WAS BEST TO SWAP THE POLY AND TAKE SOME SYNOVIAL SAMPLES FOR LABS. SAME INSERT WAS INSERTED. NO FURTHER PATIENT INFORMATION IS AVAILABLE AT THIS TIME.
Patient problems: Discomfort
MAUDE report 6833054 ↗
Other Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing devices
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- 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 16, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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