Triathlon 5551-G-320-ERecalls & reported problems
Howmedica Osteonics Corp. · Asymmetric Patella · Class 2 · Implant
All models of Triathlon (608)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 4
- Deaths reported
- 0
- Injuries reported
- 4
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 4 adverse event reports that list this exact device (DI 07613327314649), received between Aug 11, 2021 and May 6, 2026 — classified as 4 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.
Reports received per month
Most reported problems
Device problems
- Adverse Event Without Identified Device or Use Problem2
- Fracture1
- Loss of Osseointegration1
Patient problems
- Bone Fracture(s)1
- Fall1
- Inadequate Osseointegration1
- Pain1
- Unspecified Infection1
Recent adverse event reports
The 4 most recent of 4 reports, in the reporter's own words as published by the FDA.
InjuryMay 6, 2026Adverse Event Without Identified Device or Use Problem
THE FOLLOWING INFORMATION WAS PROVIDED: REVISION RIGHT PFJ DUE TO INFECTION. ARTICULATING SPACER WAS IMPLANTED TODAY. NO ADDITIONAL DETAILS TO BE REPORTED BY THE FACILITY.
Patient problems: Unspecified Infection
MAUDE report 25092417 ↗InjuryNov 12, 2024Loss of Osseointegration; Loss of Osseointegration
THIS PI IS FOR THE LEFT KNEE. AS REPORTED: "DR. IS ASKING FOR US TO DOCUMENT AN INSTANCE OF ASEPTIC LOOSENING FOR A PATIENT SHE OPERATED ON (B)(6) 2022. THE PATIENT HAD BILATERAL TKA AND IS NOW BEING REVISED ON BOTH SIDES FOR LOOSENING. SHE HAD SHARED THE IMPLANT INFORMATION AND ASKED THAT WE CHECK THE LOT NUMBERS FOR ANY RECALLS." NONE OF THE REPORTED IMPLANTS WERE SUBJECT TO RECALL.
Patient problems: Inadequate Osseointegration
MAUDE report 20666256 ↗InjuryNov 4, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT HAD A FALL, RUPTURED EXTENSOR MECHANISM AND LOOSENING OF THE TIBIAL COMPONENT. IMPLANTS REMOVED, CEMENT SPACER IMPLANTED. RIGHT TRIATHLON. SALES REPS RESPONSE CONFIRMS THAT ALL DEVICES WERE REMOVED.
Patient problems: Bone Fracture(s); Fall
MAUDE report 18070546 ↗InjuryAug 11, 2021Fracture; Fracture
IT WAS REPORTED THAT THE PATIENT'S LEFT KNEE WAS REVISED DUE TO ANTERIOR KNEE PAIN. INTRA-OPERATIVELY, THE PATELLAR COMPONENT WAS FOUND TO HAVE A LATERAL FRACTURE AND THE PEGS SHEARED OFF. THE PATELLAR COMPONENT AND LINER WERE REVISED. REP CAN PROVIDE PICTURES AND CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Pain
MAUDE report 12306187 ↗
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-1265-2024 · Feb 6, 2024 · Open, ClassifiedNO 4 TRIATHLON TS PLUS TIB INS X3 POLY 16 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-1266-2024 · Feb 6, 2024 · Open, ClassifiedNO 4 TRIATHLON TS PLUS TIB INS X3 POLY 16 MM
- Z-1261-2024 · Feb 6, 2024 · Open, ClassifiedX3 TRIATHLON CS INSERT NO 6 11 MM
- Z-1264-2024 · Feb 6, 2024 · Open, ClassifiedNO 4 TRIATHLON TS PLUS TIB INS X3 POLY 11 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, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER devices
- ATTUNE 1506-00-005Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER589 reports
- ATTUNE 1506-00-004Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER580 reports
- JOURNEY 74012812Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER502 reports
- JOURNEY 74011856Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER438 reports
- PERSONA™ 42-5099-094-00Zimmer, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER406 reports
- JOURNEY 74011857Smith & Nephew, Inc. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER388 reports
- ATTUNE 1506-00-007Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER288 reports
- ATTUNE 1506-00-003Depuy (Ireland) · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER271 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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