Triathlon 5531-P-413Recalls & 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
- 3
- Deaths reported
- 0
- Injuries reported
- 3
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 3 adverse event reports that list this exact device (DI 07613327042252), received between Dec 10, 2021 and May 20, 2022 — classified as 3 injuries.
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
- Adverse Event Without Identified Device or Use Problem2
- Unstable1
Patient problems
- Unspecified Infection2
- Ambulation or Postural Difficulties1
Recent adverse event reports
The 3 most recent of 3 reports, in the reporter's own words as published by the FDA.
InjuryMay 20, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
IT WAS REPORTED THAT THE PATIENT'S LEFT KNEE WAS REVISED DUE TO INFECTION. A 4X13 INSERT WAS EXCHANGED FOR A 4X14 INSERT. REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Unspecified Infection
MAUDE report 14461030 ↗InjuryJan 20, 2022Unstable; Unstable
AS REPORTED: PLEASE FIND INFORMATION FROM INDEX AND REVISION SURGERIES ON A RIGHT KNEE. THE SURGEON REPORTED THAT THE PATIENT RECENTLY LOST 100 LBS AND COMPLAINED OF INSTABILITY IN THE KNEE. NO FURTHER INFORMATION AVAILABLE." PATIENT WAS REVISED FROM A 4X13 INSERT TO A 4X19 INSERT. REP CONFIRMED THERE ARE NO ALLEGATIONS AGAINST THE REVISED FEMORAL COMPONENT. THE COMPONENT WAS WELL-FIXED, BUT THE SURGEON WANTED TO CONVERT THE KNEE FROM CR TO PS. REP CONFIRMED THAT ASIDE FROM THE PROVIDED PRIMARY AND REVISION USAGE SHEETS, NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Ambulation or Postural Difficulties
MAUDE report 13311636 ↗InjuryDec 10, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
AS REPORTED: "REVISION TODAY WAS AN I&D FOR INFECTION.
Patient problems: Unspecified Infection
MAUDE report 12974716 ↗
Other PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER devices
- ATTUNE 1512-14-050Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER106 reports
- ATTUNE 1504-40-205Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall53 reports
- ATTUNE 1504-40-105Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall46 reports
- ATTUNE 1547-06-001Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall37 reports
- ATTUNE 1513-12-060Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER72 reports
- Triathlon 5521-B-300Howmedica Osteonics Corp. · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall19 reports
- Triathlon 5531-G-709-EHowmedica Osteonics Corp. · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall19 reports
- ATTUNE 1512-16-080Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall16 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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