Triathlon 5566-S-017Recalls & reported problems
Howmedica Osteonics Corp. · Fluted Stem · Class 2 · Implant
All models of Triathlon (608)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 2
- Deaths reported
- 0
- Injuries reported
- 2
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 2 adverse event reports that list this exact device (DI 07613327026900), received between Dec 28, 2018 and Apr 16, 2019 — classified as 2 injuries.
The most frequently reported specific device problem is “Inadequacy of Device Shape and/or Size” (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
- Inadequacy of Device Shape and/or Size1
- Loss of Osseointegration1
- Malposition of Device1
- Osseointegration Problem1
- Unstable1
Patient problems
- Inadequate Osseointegration2
- Injury2
Recent adverse event reports
The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.
InjuryApr 16, 2019Osseointegration Problem; Osseointegration Problem
IT WAS REPORTED THAT THE PATIENT'S RIGHT KNEE WAS REVISED. AS REPORTED BY REP: "THIS IS A REVISION TO A REVISION DONE ON (B)(6) 2016 [(B)(6) 2016 REVISION WAS OF COMPETITOR DEVICES]... THE CURRENT REVISION WAS DUE TO A SUSPECTED LOOSE FEMORAL COMPONENT, AS STATED BY SURGEON". A SIZE 4 TS FEMORAL COMPONENT WITH STEM AND AUGMENTS, AND A TS INSERT WERE REVISED TO ANOTHER SIZE 3 TS FEMORAL COMPONENT WITH STEM AND STEM EXTENDER, AUGMENTS, AND ANOTHER TS INSERT. REP PROVIDED IMPLANT SHEETS FROM CURRENT AND PREVIOUS REVISION, PRE-REVISION X-RAYS, AND REPORTED THAT NO FURTHER INFORMATION WILL BE AVAILABLE.
Patient problems: Inadequate Osseointegration; Injury
MAUDE report 8520731 ↗InjuryDec 28, 2018Inadequacy of Device Shape and/or Size; Unstable; Loss of Osseointegration; Malposition of Device; Inadequacy of Device Shape and/or Size; Unstable; Loss of Osseointegration; Malposition of Device
IT WAS REPORTED THAT THE PATIENT'S RIGHT KNEE WAS REVISED. PRE-OPERATIVE DIAGNOSIS WAS FAILED TOTAL KNEE ARTHROPLASTY. SURGEON COMMENTED THAT HE THOUGHT THE FEMUR WAS NOT CEMENTED ENOUGH FOR PROPER FIXATION TO OCCUR.
Patient problems: Inadequate Osseointegration; Injury
MAUDE report 8202605 ↗
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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