Triathlon 5526-B-300Recalls & reported problems
Howmedica Osteonics Corp. · Primary Tibial Baseplate · 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 07613327041347), received between Feb 1, 2018 and May 22, 2026 — classified as 4 injuries.
The most frequently reported specific device problem is “Malposition of Device” (3 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
Most reported problems
Device problems
- Malposition of Device3
- Positioning Problem2
- Fracture1
Patient problems
- Injury2
- Joint Laxity2
- Insufficient Information1
- Pain1
Recent adverse event reports
The 4 most recent of 4 reports, in the reporter's own words as published by the FDA.
InjuryMay 22, 2026Fracture
THE FOLLOWING INFORMATION WAS PROVIDED: A PIECE OF THE POSTERIOR PART OF A TRIATHLON BASEPLATE HAS BROKEN OFF INSIDE THE PATIENT.¿ INSTABILITY AND PAIN IN THE PATIENT.
Patient problems: Insufficient Information; Joint Laxity; Pain
MAUDE report 25260173 ↗InjuryApr 24, 2023Malposition of Device; Malposition of Device
KNEE REVISION. REASON FOR REVISION: INSTABILITY. UPDATE - IN THIS PARTICULAR CASE THE FEMORAL COMPONENT WAS PLACED POSTERIOR TO ITS IDEAL POSITION AND THE TIBIAL IMPLANT WAS PLACED IN A GREATER DEGREE OF FLEXION THAN IDEAL.
Patient problems: Joint Laxity
MAUDE report 16793261 ↗InjuryAug 22, 2018Malposition of Device; Positioning Problem; Malposition of Device; Positioning Problem
KNEE REVISION DUE TO INSTABILITY. UPDATE BASED ON MEDICAL REVIEW: BASEPLATE MALPOSITION IN EXCESSIVE POSTERIOR TIBIAL SLOPE AND EXCESSIVE PROXIMAL TIBIAL BONE REMOVAL HAVE RENDERED THE PCL DYSFUNCTIONAL WITH SEVERE INSTABILITY.
Patient problems: Injury
MAUDE report 7805553 ↗InjuryFeb 1, 2018Malposition of Device; Positioning Problem; Malposition of Device; Positioning Problem
THE SURGEON REPORTED VIA THE SALES REP, PER-OLAF BRETTMAR THAT A FEMALE PATIENT UNDERWENT A REVISION OF THE LEFT KNEE ON (B)(6) 2017 DUE TO A FRACTURED TIBIAL INSERT SIZE 3 9MM. IT WAS FURTHER REPORTED THAT THE PATIENT HAD EXPERIENCED A TWISTING TRAUMA TO THE KNEE APPROXIMATELY 2 MONTHS PRIOR TO THE REVISION. IT WAS FURTHER REPORTED THAT THE OPERATION BEGAN AS AN EXPLORATORY ENDOSCOPY BUT WAS TRANSFERRED TO AN OPEN PROCEDURE WHEN IT WAS DISCOVERED THAT THE INSERT HAD FRACTURED. IT WAS FURTHER REPORTED THAT THE INSERT WAS REPLACED WITH A SIZE 3 11MM INSERT AND THAT THE PRIMARY OPERATION TOOK PLACE ON (B)(6) 2016. UPDATE: THE MEDICAL REVIEW CONCLUDED MALPOSITION OF BOTH THE FEMORAL COMPONENT AND THE BASEPLATE.
Patient problems: Injury
MAUDE report 7233636 ↗
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.
How reports and recalls are matched · Editorial policy · Report an error on this page