Skip to content

Triathlon 5537-G-211Recalls & reported problems

Howmedica Osteonics Corp. · Total Stabilizer+ Tibial 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 07613327027044), received between Jan 31, 2022 and Apr 7, 2025 — classified as 3 injuries.

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

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: 0 reportsDec 2024: 0 reportsJan 2025: 0 reportsFeb 2025: 0 reportsMar 2025: 0 reportsApr 2025: 2 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: 0 reportsApr 2026: 0 reportsMay 2026: 0 reportsJun 2026: 0 reportsJul 2026: 0 reportsAug 2026: 0 reportsSep 2026: 0 reportsOct 2026: 0 reports2024202520262
Last 36 months. The most recent month may be incomplete.

Most reported problems

Device problems

  • Adverse Event Without Identified Device or Use Problem3
  • Mechanical Problem2

Patient problems

  • Loss of Range of Motion2
  • Fibrosis1
  • Scar Tissue1
  • 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.

  • InjuryApr 7, 2025Mechanical Problem; Adverse Event Without Identified Device or Use Problem; Mechanical Problem; Adverse Event Without Identified Device or Use Problem

    THIS IS FOR MUA ON (B)(6) 2016. LEFT KNEE. THIS IS A SUBJECT WHO IS ENTERED IN THE 76 - CONES REVISION STUDY WHO DURING THEIR 7-YEAR PHONE FOLLOW UP INDICATED THAT THEY ARE NOT SATISFIED WITH THEIR IMPLANTS; STATES 'NO PAIN, JUST DISCOMFORT, SWOLLEN, STIFF; SHE STATED SHE WAS UNABLE TO BEND IT OVER 90°'; SHE STATED SHE BEEN TRYING TO SOME YOGA AND STRETCHING EXERCISES FOR HER KNEE AND NOTHING GETTING BETTER FOR HER.' REFUSES CLINIC VISIT. (PRIOR HISTORY OF MUA (B)(6) 2016 FOLLOWING STUDY SURGERY ON (B)(6) 2016 FOR ARTHROFIBROSIS. CONCERN FOR MIDSHAFT TIBIAL FRACTURE (B)(6) 2021). STUDY SITE HAS PROVIDED ALL INFORMATION AVAILABLE.

    Patient problems: Loss of Range of Motion

    MAUDE report 21792679 ↗
  • InjuryApr 3, 2025Mechanical Problem; Adverse Event Without Identified Device or Use Problem; Mechanical Problem; Adverse Event Without Identified Device or Use Problem

    THIS PI IS FOR THE RESULTS OF THE 7-YEAR PHONE FOLLOW-UP. LEFT KNEE. THIS IS A SUBJECT WHO IS ENTERED IN THE 76 - CONES REVISION STUDY WHO DURING THEIR 7-YEAR PHONE FOLLOW UP INDICATED THAT THEY ARE NOT SATISFIED WITH THEIR IMPLANTS; STATES 'NO PAIN, JUST DISCOMFORT, SWOLLEN, STIFF; SHE STATED SHE WAS UNABLE TO BEND IT OVER 90°'; SHE STATED SHE BEEN TRYING TO SOME YOGA AND STRETCHING EXERCISES FOR HER KNEE AND NOTHING GETTING BETTER FOR HER.' REFUSES CLINIC VISIT. (PRIOR HISTORY OF MUA (B)(6) 2016 FOLLOWING STUDY SURGERY ON (B)(6) 2016 FOR ARTHROFIBROSIS. CONCERN FOR MIDSHAFT TIBIAL FRACTURE (B)(6) 2021). STUDY SITE HAS PROVIDED ALL INFORMATION AVAILABLE.

    Patient problems: Fibrosis; Loss of Range of Motion; Scar Tissue; Swelling/ Edema

    MAUDE report 21761677 ↗
  • InjuryJan 31, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT'S RIGHT KNEE WAS REVISED DUE TO INFECTION. THE SURGEON'S ORIGINAL PLAN WAS TO PERFORM A POLY SWAP, BUT DECIDED INTRA-OPERATIVELY TO PERFORM A STAGE 1 REVISION AND REMOVED ALL IMPLANTS.

    Patient problems: Unspecified Infection

    MAUDE report 13392147 ↗

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

How reports and recalls are matched · Editorial policy · Report an error on this page