Unix 4540-0308Recalls & reported problems
Howmedica Osteonics Corp. · Tibial Bearing Insert · Class 2 · Implant
Data updated Oct 16, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 1
- Deaths reported
- 0
- Injuries reported
- 1
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 1 adverse event report that list this exact device (DI 07613327101454), received between Jun 17, 2019 and Jun 17, 2019 — classified as 1 injury.
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 16, 2026.
Most reported problems
Device problems
- Naturally Worn1
Patient problems
- Inflammation1
- Injury1
- Pain1
- Reaction1
Recent adverse event reports
The 1 most recent of 1 reports, in the reporter's own words as published by the FDA.
InjuryJun 17, 2019Naturally Worn; Naturally Worn
REVISION OF UNIX UNILATERAL KNEE REPLACEMENT PERFORMED IN 2015. ORIGINAL IMPLANT WAS REVISED ON 22/5/19 DUE TO SEVERE POLY WEAR RESULTING IN METALLOSIS. DR. REMOVED THE EXISTING UNIX KNEE AND REVISED WITH A TRIATHLON TOTAL KNEE REPLACEMENT (CR FEMUR WITH STEMMED TIBIA). UPDATE 24/MAY/2019 WG: AS REPORTED IN HOW WAS ISSUE NOTICED "ISSUE WAS IDENTIFIED PRIOR TO MEDICAL PROCEDURE WHEN THE SURGEON PERFORMED A KNEE ARTHROSCOPY TO IDENTIFY THE PATIENT¿S COMPLAINTS OF PAIN AND METALLOSIS WAS OBSERVED".
Patient problems: Inflammation; Injury; Pain; Reaction
MAUDE report 8705968 ↗
Other PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER devices
- R3 71363077Smith & Nephew, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER461 reports
- NA 71364009Smith & Nephew, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER174 reports
- JOURNEY 74012415Smith & Nephew, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER163 reports
- JOURNEY 74012416Smith & Nephew, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER163 reports
- JOURNEY 74012414Smith & Nephew, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER129 reports
- GENESIS II 71440194Smith & Nephew, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER114 reports
- GENESIS II 71440842Smith & Nephew, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER113 reports
- JOURNEY 74018901Smith & Nephew, Inc. · PROSTHESIS, KNEE, FEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, METAL/POLYMER106 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 13, 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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