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Triathlon 5531-P-411Recalls & reported problems

Howmedica Osteonics Corp. · Tibial Bearing Insert · Class 2 · Implant

All models of Triathlon (608)

Data updated Oct 18, 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 07613327042245), received between Mar 20, 2023 and Mar 20, 2023 — classified as 1 injury.

The most frequently reported specific device problem is “Unstable” (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.

Most reported problems

Device problems

  • Unstable1

Patient problems

  • Joint Laxity1

Recent adverse event reports

The 1 most recent of 1 reports, in the reporter's own words as published by the FDA.

  • InjuryMar 20, 2023Unstable; Unstable

    AS REPORTED: PLEASE FIND INFORMATION FROM INDEX AND REVISION SURGERIES OF A RIGHT TOTAL KNEE. REVISION WAS DUE TO PATELLA FEMORAL PAIN. THE PATELLA WAS RESURFACED AND IT WAS DECIDED TO INCREASE INSERT THICKNESS TO ADD STABILITY.

    Patient problems: Joint Laxity

    MAUDE report 16570791 ↗

Other PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER devices

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Sources and updates

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