SIGMA AOX 1961-92-054Recalls & reported problems
Depuy Orthopaedics, Inc. · SIGMA TIBIAL INSERT ROTATING PLATFORM CURVED AOX SIZE 5 17.5mm · Class 3 · Implant
All models of SIGMA AOX (53)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 6
- Deaths reported
- 0
- Injuries reported
- 6
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 6 adverse event reports that list this exact device (DI 10603295076278), received between Feb 17, 2020 and Aug 17, 2026 — classified as 6 injuries.
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
Patient problems
- Unspecified Infection5
- No Code Available2
- Wound Dehiscence2
- Adhesion(s)1
- Edema1
- Fluid Discharge1
- Impaired Healing1
- Muscular Rigidity1
Recent adverse event reports
The 6 most recent of 6 reports, in the reporter's own words as published by the FDA.
InjuryAug 17, 2026Adverse Event Without Identified Device or Use Problem
It was reported that Patient had infected knee. Washout I&D. Poly was swapped from a 5x17.5 RP CVD to 5x20 RPPS. The post was shaved off the RPPS insert by Dr to fit with a CR Femur.Affected side-Right.
Patient problems: Unspecified Infection
MAUDE report 50275699 ↗InjuryApr 27, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
CLINICAL ADVERSE EVENT RECEIVED FOR DEEP INFECTION. EVENT IS SERIOUS AND IS CONSIDERED SEVERE. EVENT IS POSSIBLY RELATED TO BOTH DEVICE AND PROCEDURE. DATE OF IMPLANT: (B)(6) 2019, DATE OF REVISION: (B)(6) 2023, DATE OF EVENT: (B)(6) 2023, (RIGHT KNEE). TREATMENT: REVISION; INSERT WAS REVISED.
Patient problems: Unspecified Infection
MAUDE report 16823998 ↗InjuryJun 15, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
CLINICAL ADVERSE EVENT RECEIVED FOR WOUND BREAKDOWN; WOUND DEHISCENCE AND INFECTION. EVENT IS SERIOUS AND IS CONSIDERED MODERATE. EVENT IS POSSIBLY RELATED TO BOTH DEVICE AND PROCEDURE. DATE OF IMPLANT: (B)(6) 2022, DATE OF EVENT: (B)(6) 2022, DATE OF REVISION: (B)(6) 2022 (LEFT KNEE). INSERT WAS REVISED.
Patient problems: Unspecified Infection; Wound Dehiscence
MAUDE report 14696337 ↗InjuryMar 19, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
CLINICAL ADVERSE EVENT RECEIVED FOR COMPLETE WOUND BREAKDOWN WITH EXTENSOR MECHANISM EXPOSED, FOUL SMELLING. UNSURE IF THIS COMMUNICATES WITH THE JOINT OR NOT AT THIS POINT. WOUND DEHISCENCE. EVENT IS SERIOUS AND IS CONSIDERED MODERATE. EVENT IS POSSIBLY RELATED TO BOTH DEVICE AND PROCEDURE. DATE OF IMPLANT: (B)(6) 2022. DATE OF EVENT: (B)(6) 2022. (LEFT KNEE). TREATMENT: PICC LINE FOR IV ANTIBIOTICS, REFERRED TO PLASTICS FOR GASTROC FLAP COVERAGE.
Patient problems: Fluid Discharge; Impaired Healing; Necrosis; Wound Dehiscence
MAUDE report 13824556 ↗InjuryMar 18, 2020Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
UPDATE: MEDICAL RECORDS RECEIVED ON AD 13 MAR 2020 PATIENT RECEIVED A DEPUY PFC SIGMA RP TOTAL KNEE TO TREAT END-STAGE VALGUS OSTEOARTHRITIS OF THE RIGHT KNEE. THE PATELLA WAS RESURFACED AND DEPUY CEMENT WAS UTILIZED. INTRAOPERATIVELY, THE SURGEON REPAIRED A NATURAL TIBIAL DEFECT WITH 2 UNKNOWN FULLY THREADED SCREWS AND CEMENT. THE PROCEDURE WAS COMPLETED WITHOUT COMPLICATIONS. PATIENT PRESENTED TO THE EMERGENCY ROOM ON (B)(6) 2020 WITH PAIN, SWELLING, AND STIFFNESS SECONDARY TO SUPERFICIAL WOUND INFECTION. THE PATIENT WAS TREATED WITH IV ANTIBIOTICS. RIGHT KNEE X-RAYS IDENTIFIED SUBCUTANEOUS EMPHYSEMA. THE PATIENT DID NOT FOLLOW POSTOPERATIVE TREATMENT AND ANTIBIOTIC TREATMENT PROTOCOL AND THE INFECTION BECAME DEEP, REQUIRING SURGICAL INTERVENTION. DOR: (B)(6) 2020: PATIENT REVISED TO TREAT DEEP INFECTION. UPON ENTERING THE KNEE, THE SURGEON ENCOUNTERED AND EVACUATED PUS. A COMPLETE SYNOVECTOMY WAS PERFORMED, AND SCAR TISSUE WAS DEBRIDED. THERE WERE NO REPORTED PRODUCT PROBLEMS WITH THE REVISED INSERT OR THE RETAINED PATELLA, FEMORAL COMPONENT, OR TIBIAL TRAY. THE PATIENT WAS REVISED WITH A DEPUY INSERT AND THE SURGERY WAS COMPLETED WITHOUT COMPLICATIONS. THE PATIENT WAS INSTRUCTE
Patient problems: Adhesion(s); Edema; Muscular Rigidity; No Code Available; Pain; Unspecified Infection
MAUDE report 9848813 ↗InjuryFeb 17, 2020Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT WAS REVISED TO ADDRESS INFECTION. SURGEON DID AN I & D WASHOUT WITH POLY EXCHANGE. A 5X17.5 WAS RE-IMPLANTED. DOI: UNKNOWN; DOR: (B)(6) 2020 RIGHT KNEE.
Patient problems: No Code Available; Unspecified Infection
MAUDE report 9718702 ↗
Other Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing devices
- ATTUNE 1506-10-005Depuy (Ireland) · Prosthesis, knee, patellofemorotibial, semi-constrained, metal/polymer, mobile bearing442 reports
- 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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