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Triathlon 5550-G-319-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
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 07613327314779), received between Feb 24, 2021 and Mar 24, 2026 — classified as 3 injuries.

The most frequently reported specific device problem is “Fracture” (2 reports).

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

Nov 2023: 0 reportsDec 2023: 0 reportsJan 2024: 0 reportsFeb 2024: 0 reportsMar 2024: 0 reportsApr 2024: 0 reportsMay 2024: 0 reportsJun 2024: 0 reportsJul 2024: 0 reportsAug 2024: 0 reportsSep 2024: 0 reportsOct 2024: 0 reportsNov 2024: 1 reportsDec 2024: 0 reportsJan 2025: 0 reportsFeb 2025: 0 reportsMar 2025: 0 reportsApr 2025: 0 reportsMay 2025: 0 reportsJun 2025: 0 reportsJul 2025: 0 reportsAug 2025: 0 reportsSep 2025: 0 reportsOct 2025: 0 reportsNov 2025: 0 reportsDec 2025: 0 reportsJan 2026: 0 reportsFeb 2026: 0 reportsMar 2026: 1 reportsApr 2026: 0 reportsMay 2026: 0 reportsJun 2026: 0 reportsJul 2026: 0 reportsAug 2026: 0 reportsSep 2026: 0 reportsOct 2026: 0 reports2024202520261
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Fracture2
  • Adverse Event Without Identified Device or Use Problem1
  • Noise, Audible1

Patient problems

  • Insufficient Information2
  • Pain1
  • Subluxation1
  • Swelling/ Edema1
  • Unspecified Infection1

Recent adverse event reports

The 3 most recent of 3 reports, in the reporter's own words as published by the FDA.

  • InjuryMar 24, 2026Fracture; Noise, Audible

    NO NEW INFORMATION.

    Patient problems: Insufficient Information

    MAUDE report 24676569 ↗
  • InjuryNov 22, 2024Fracture; Fracture

    REVISED KNEE FOR PAIN. THE PATELLA DEVICE PEG HAD BROKEN OFF AND DOCTOR REMOVED AND REPLACED WITH A CEMENTED 31 MM PATELLA. CASE TYPE / APPLICATION: TKA.

    Patient problems: Insufficient Information; Pain; Swelling/ Edema

    MAUDE report 20756275 ↗
  • InjuryFeb 24, 2021Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    THIS PI IS FOR THE (B)(6) 2020 REVISION. PATIENT UNDERWENT PRIMARY TKA OUTSIDE OF CORS SCOPE. HAD A REVISION TKA ON (B)(6) 2020 FOR PJI. PATIENT HAD A FALL PLUS SUBLUXATION OF THE PATELLA, SHE ALSO HAD SYMPTOMS OF REINFECTION OF THE LEFT KNEE. A REVISION WAS PERFORMED ON (B)(6) 2020, A PERIPROSTHETIC FRACTURE B1 OF THE FEMUR WAS OBSERVED, AND MALTRACKING OF THE PATELLA. ALL COMPONENTS WERE EXCHANGED EXCEPT THE TIBIAL STEM.

    Patient problems: Subluxation; Unspecified Infection

    MAUDE report 11375109 ↗

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-1266-2024 · Feb 6, 2024 · Open, Classified
    NO 4 TRIATHLON TS PLUS TIB INS X3 POLY 16 MM
  • Z-1265-2024 · Feb 6, 2024 · Open, Classified
    NO 4 TRIATHLON TS PLUS TIB INS X3 POLY 16 MM
  • Z-1262-2024 · Feb 6, 2024 · Open, Classified
    X3 TRIATHLON CS INSERT NO 7 9 MM
  • Z-1261-2024 · Feb 6, 2024 · Open, Classified
    X3 TRIATHLON CS INSERT NO 6 11 MM
  • Z-1264-2024 · Feb 6, 2024 · Open, Classified
    NO 4 TRIATHLON TS PLUS TIB INS X3 POLY 11 MM
  • Z-1263-2024 · Feb 6, 2024 · Open, Classified
    NO 3 TRIATHLON TS PLUS TIB INS X3 POLY 11 MM
  • Z-1654-2023 · Apr 13, 2023 · Open, Classified
    TRIATHLON 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

All PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER devices →

Sources and updates

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