Triathlon 5550-G-278-ERecalls & reported problems
Howmedica Osteonics Corp. · Symmetric Patella · 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 07613327314823), received between Nov 12, 2020 and Mar 28, 2023 — classified as 2 injuries.
The most frequently reported specific device problem is “Fracture” (1 report).
7 other recalls cover devices cleared under the same FDA submission (K172634); they may or may not involve this specific model.
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 Problem1
- Fracture1
- Loss of Osseointegration1
- Noise, Audible1
Patient problems
- Fall1
- Inadequate Osseointegration1
Recent adverse event reports
The 2 most recent of 2 reports, in the reporter's own words as published by the FDA.
InjuryMar 28, 2023Loss of Osseointegration; Noise, Audible; Loss of Osseointegration; Noise, Audible
PATIENT REPORTED JOINT LOOSENING AND AUDIBLE NOISE FOLLOWING PRIMARY TRIATHLON LEFT KNEE SURGERY. PATIENT STATED THAT SYMPTOMS STARTED "IMMEDIATELY" FOLLOWING THE (B)(6) 2020 SURGERY AND THAT THE KNEE WAS"NEVER GOOD". PATIENT STATED SHE FEELS THE LOOSENING AND DID NOT STATE WHETHER HER SURGEON CONFIRMED THE LOOSENING. PATIENT STATED THAT THE JOINT NOISE IS HEARD WHEN SHE MOVES HER "TOES UP AND DOWN."
Patient problems: Inadequate Osseointegration
MAUDE report 16625576 ↗InjuryNov 12, 2020Fracture; Adverse Event Without Identified Device or Use Problem; Fracture; Adverse Event Without Identified Device or Use Problem
PATIENT WHO PREVIOUSLY HAD A MAKO TOTAL KNEE REPLACEMENT HAD A FALL AND FRACTURED PATELLA. REPLACEMENT PATELLA WAS IMPLANTED.
Patient problems: Fall
MAUDE report 10828298 ↗
Recalls under the same FDA submission
These recalls involve devices cleared under K172634. One submission often covers many models, so check the product and lot details in each record.
- Z-1261-2024 · Feb 6, 2024 · Open, ClassifiedX3 TRIATHLON CS INSERT NO 6 11 MM
- Z-1263-2024 · Feb 6, 2024 · Open, ClassifiedNO 3 TRIATHLON TS PLUS TIB INS X3 POLY 11 MM
- Z-1262-2024 · Feb 6, 2024 · Open, ClassifiedX3 TRIATHLON CS INSERT NO 7 9 MM
- Z-1264-2024 · Feb 6, 2024 · Open, ClassifiedNO 4 TRIATHLON TS PLUS TIB INS X3 POLY 11 MM
- Z-1265-2024 · Feb 6, 2024 · Open, ClassifiedNO 4 TRIATHLON TS PLUS TIB INS X3 POLY 16 MM
- Z-1266-2024 · Feb 6, 2024 · Open, ClassifiedNO 4 TRIATHLON TS PLUS TIB INS X3 POLY 16 MM
- Z-1654-2023 · Apr 13, 2023 · Open, ClassifiedTRIATHLON X3 TIBIAL BEARING INSERT PS #4 13MM Intended for knee replacement Catalog Number: 5532-G-413-E
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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