SIGMA AOX 1961-92-122Recalls & reported problems
Depuy Orthopaedics, Inc. · SIGMA TIBIAL INSERT ROTATING PLATFORM STABILIZED AOX SIZE 2.5 12.5mm · Class 3 · Implant
All models of SIGMA AOX (53)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 8
- Deaths reported
- 0
- Injuries reported
- 8
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 8 adverse event reports that list this exact device (DI 10603295076452), received between Jul 31, 2020 and Aug 18, 2025 — classified as 8 injuries.
The most frequently reported specific device problem is “Naturally Worn” (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 Problem7
- Naturally Worn1
Patient problems
- Pain4
- Unspecified Infection3
- Joint Laxity1
- No Code Available1
Recent adverse event reports
The 8 most recent of 8 reports, in the reporter's own words as published by the FDA.
InjuryAug 18, 2025Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
IT WAS REPORTED THAT THE PATIENT WAS REVISED DUE TO INFECTION. AFFECTED SIDE: LEFT KNEE.
Patient problems: Unspecified Infection
MAUDE report 22829825 ↗InjurySep 27, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
IT WAS REPORTED THAT THE PATIENT WAS REVISED DUE TO PAIN. DOI: UNKNOWN. DOR: (B)(6) 2024. AFFECTED SIDE: RIGHT KNEE
Patient problems: Pain
MAUDE report 20323053 ↗InjuryMar 31, 2023Naturally Worn; Naturally Worn
IT WAS REPORTED THAT THE PATIENT'S PRIMARY KNEE WAS REVISED IN 2008, A TC3 FEMOR WAS USED AND A PRIMARY PS RP INSERT WAS USED. THE POST WAS WORN SEVERELY ON THE INSERT AND THE KNEE WAS UNSTABLE. NO SURGICAL DELAY. DOI: (B)(6) 2008. DOR: (B)(6) 2023. AFFECTED SIDE: RIGHT KNEE.
Patient problems: Joint Laxity
MAUDE report 16655047 ↗InjuryJul 25, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT WAS REVISED DUE TO PAIN. THERE WAS NO SURGICAL DELAY. DOI: (B)(6) 2021. DOR: (B)(6) 2022. AFFECTED SIDE: LEFT KNEE.
Patient problems: Pain
MAUDE report 15092607 ↗InjuryJun 23, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT WAS REVISED DUE TO AN INFECTION SO THE DOCTOR IS SWITCHING OUT THE POLYETHYLENE 12.5 SIGMA RP INSERT. THERE WAS NO SURGICAL DELAY. DOI: (B)(6) 2010, DOR: (B)(6) 2022, AFFECTED SIDE: RIGHT KNEE.
Patient problems: Unspecified Infection
MAUDE report 14786974 ↗InjuryNov 18, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT WAS REVISED DUE TO INFECTED KNEE. DOI: UNKNOWN , DOR: (B)(6) 2021 , LEFT KNEE.
Patient problems: Unspecified Infection
MAUDE report 12836565 ↗InjuryJan 7, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT WAS REVISED DUE TO PAIN. DOI: (B)(6) 2020, DOR: (B)(6) 2020 LEFT KNEE.
Patient problems: Pain
MAUDE report 11131540 ↗InjuryJul 31, 2020Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
THE PATIENT WAS REVISED TO ADDRESS PAIN. DOI: UNKNOWN; DOR: (B)(6) 2020; RIGHT KNEE.
Patient problems: No Code Available; Pain
MAUDE report 10351658 ↗
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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