Skip to content

Triathlon 5531-G-310-ERecalls & reported problems

Howmedica Osteonics Corp. · Tibial Bearing Insert - CS · Class 2 · Implant

All models of Triathlon (608)

Data updated Oct 18, 2026 from official FDA records · Editorial policy

1 open recall names this device. See the recall details and contact the manufacturer or your healthcare provider.

Adverse event reports
6
Deaths reported
0
Injuries reported
6
Recalls naming it
1

Summary

The FDA's MAUDE database contains 6 adverse event reports that list this exact device (DI 07613327390544), received between May 19, 2022 and Nov 4, 2025 — classified as 6 injuries.

The most frequently reported specific device problem is “Unstable” (1 report).

1 FDA recall record name this device's identifier, 1 still open.

2 other recalls cover devices cleared under the same FDA submission (K173849); 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: 1 reportsOct 2024: 0 reportsNov 2024: 0 reportsDec 2024: 0 reportsJan 2025: 0 reportsFeb 2025: 0 reportsMar 2025: 0 reportsApr 2025: 1 reportsMay 2025: 0 reportsJun 2025: 0 reportsJul 2025: 0 reportsAug 2025: 0 reportsSep 2025: 0 reportsOct 2025: 0 reportsNov 2025: 1 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 reports2024202520261
Last 36 months. The most recent month may be incomplete.

Recalls naming this device

  1. Feb 6, 2024Class IIOpen, Classified

    Potential packaging breaches of inner blister and outer sterile blister.

    Z-1259-2024 · Root cause: Packaging · Recall details · FDA record ↗

Most reported problems

Device problems

  • Adverse Event Without Identified Device or Use Problem5
  • Unstable1

Patient problems

  • Unspecified Infection3
  • Swelling/ Edema2
  • Ambulation or Postural Difficulties1
  • Fall1
  • Joint Laxity1
  • Pain1

Recent adverse event reports

The 6 most recent of 6 reports, in the reporter's own words as published by the FDA.

  • InjuryNov 4, 2025Unstable; Unstable

    THE FOLLOWING INFORMATION WAS PROVIDED: IT WAS REPORTED THAT THE PATIENT'S LEFT KNEE WAS REVISED DUE TO INSTABILITY. A 3X10 CS INSERT WAS REVISED TO A 3X12 CS INSERT. REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.

    Patient problems: Joint Laxity

    MAUDE report 23469257 ↗
  • InjuryApr 4, 2025Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    IT WAS REPORTED THAT THE PATIENT'S LEFT KNEE WAS REVISED DUE TO INFECTION. ALL IMPLANTS OF A CR KNEE WERE REMOVED AND A TS KNEE WITH STEMS AND AUGMENTS WAS IMPLANTED (REP REPORTED THE SURGEON WAS CONCERNED ABOUT BONE LOSS AND WANTED TO ENSURE ADDITIONAL STABILITY. THERE WERE NO ADDITIONAL PATIENT COMPLAINTS THAT LED TO THE CONVERSION). REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.

    Patient problems: Unspecified Infection

    MAUDE report 21775433 ↗
  • InjurySep 12, 2024Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    THE FOLLOWING WAS REPORTED "STAGE 1 REVISION, REMOVAL OF STRYKER IMPLANTS AND INSERTION OF CEMENT SPACER PRIOR TO RE IMPLANTATION AND SECOND PROCEDURE. SUSPECTED INFECTION."

    Patient problems: Unspecified Infection

    MAUDE report 20201623 ↗
  • InjuryOct 13, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    PATIENT HAD PAIN AND SWELLING IN OFFICE NOTE ON (B)(6) 2022. RIGHT KNEE WAS ASPIRATED. MONITORED PROGRESS AND DECIDED TO DO A CLOSED MANIPULATION ON (B)(6) 2022. PATIENT'S NEXT APPOINTMENT IS ON (B)(6) 2022.

    Patient problems: Ambulation or Postural Difficulties; Pain; Swelling/ Edema

    MAUDE report 15593012 ↗
  • InjuryJul 28, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem

    AS REPORTED: "RIGHT KNEE I&D, POLY EXCHANGE. CELLULITIS OF DRAINAGE SITE. NO FURTHER INFORMATION AVAILABLE PER HOSPITAL."

    Patient problems: Unspecified Infection

    MAUDE report 15127071 ↗
  • InjuryMay 19, 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. KNEE EFFUSION DEVELOPED APPROXIMATELY 2 WEEKS AFTER THE PATIENT FELL. AN IRRIGATION AND DEBRIDEMENT WITH POLY EXCHANGE WAS PERFORMED. REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.

    Patient problems: Fall; Swelling/ Edema

    MAUDE report 14433714 ↗

Recalls under the same FDA submission

These recalls involve devices cleared under K173849. One submission often covers many models, so check the product and lot details in each record.

  • Z-1260-2024 · Feb 6, 2024 · Open, Classified
    X3 TRIATHLON CS INSERT NO 6 10 MM
  • Z-1653-2023 · Apr 13, 2023 · Open, Classified
    TRIATHLON X3 TIBIAL BEARING INSERT CS #3 12MM-Intended for knee replacement Catalog Number: 5531-G-312-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

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