Triathlon 5515-F-401Recalls & reported problems
Howmedica Osteonics Corp. · Posterior Stabilized Femoral · Class 2 · Implant
All models of Triathlon (608)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 11
- Deaths reported
- 0
- Injuries reported
- 10
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 11 adverse event reports that list this exact device (DI 07613327050387), received between Apr 3, 2017 and Apr 21, 2025 — classified as 10 injuries, 1 malfunction.
The most frequently reported specific device problem is “Insufficient Device Problem Information” (5 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
- Insufficient Device Problem Information5
- Malposition of Device2
- Adverse Event Without Identified Device or Use Problem1
- Difficult to Open or Remove Packaging Material1
- Fracture1
- Osseointegration Problem1
- Unstable1
Patient problems
- Injury5
- Bone Fracture(s)4
- Fall2
- Inadequate Osseointegration2
- Pain2
- Ambulation or Postural Difficulties1
- Deformity/ Disfigurement1
- No Known Impact Or Consequence To Patient1
Recent adverse event reports
The 11 most recent of 11 reports, in the reporter's own words as published by the FDA.
InjuryApr 21, 2025Malposition of Device; Malposition of Device
AS REPORTED: "REV LTKA- FOR LOOSE TIBIA AND MAL ALIGNMENT." A PS KNEE WAS CONVERTED TO A TS KNEE WITH STEMS AND AUGMENTS. REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Ambulation or Postural Difficulties
MAUDE report 21875176 ↗InjuryAug 1, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT HAD A PRIMARY LEFT TKA ON (B)(6) 2022. THE PATIENT FELL AND HAD A PERIPROSTHETIC FRACTURE AROUND THE FEMUR B2. UNDERWENT REVISION FOR ALL COMPONENTS EXCEPT THE PATELLA. TIBIAL BASEPLATE WAS REVISED DUE TO CHANGE THE CONSTRUCT.
Patient problems: Bone Fracture(s); Fall
MAUDE report 17438308 ↗InjuryOct 20, 2021Malposition of Device; Malposition of Device
SURGEON NOT HAPPY WITH OUTCOME OF SURGERY. PT STARTED IN VALGUS ENDED UP IN VARUS.
Patient problems: Deformity/ Disfigurement
MAUDE report 12665211 ↗InjuryApr 27, 2021Insufficient Device Problem Information; Insufficient Device Problem Information
IT WAS REPORTED THAT THE PATIENT'S LEFT KNEE WAS REVISED DUE TO PAIN AND SWELLING, AND DISLOCATION OF THE PATIENT'S RESURFACED PATELLA. THE TIBIAL COMPONENT AND INSERT WERE REVISED. NO INTRA-OPERATIVE FINDINGS OR SURGEON OPINION WAS REPORTED TO THE REP AS TO WHY THE TIBIA WAS REVISED. REP PROVIDED THE REVISION USAGE SHEET, CONFIRMED THERE WERE NO ALLEGATIONS AGAINST THE REVISED INSERT, AND CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Pain; Swelling/ Edema
MAUDE report 11730569 ↗InjuryOct 23, 2020Insufficient Device Problem Information; Insufficient Device Problem Information
IT WAS REPORTED THAT THE PATIENT'S LEFT KNEE WAS REVISED DUE TO PAIN AND ASEPTIC LOOSENING (IT WAS NOT REPORTED TO THE REP WHICH SPECIFIC DEVICE(S) LOOSENED). A FEMORAL COMPONENT, BASEPLATE AND INSERT WERE REVISED TO A TS KNEE CONSTRUCT WITH FEMORAL AND TIBIAL AUGMENTS, AND STEMS. REP PROVIDED THE PRIMARY AND REVISION USAGE SHEETS AND CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED.
Patient problems: Inadequate Osseointegration; Pain
MAUDE report 10725078 ↗InjurySep 26, 2019Insufficient Device Problem Information; Insufficient Device Problem Information
PATIENT FELL RECENTLY AND HAD DISTAL FEMUR FRACTURE FROM ORIGINAL SURGERY DATE OF (B)(6) 2018. TODAY'S SURGERY IS TO REMOVE ORIGINALLY PLACED LEFT TOTAL KNEE AND REVISE TO GMRS DISTAL FEMORAL REPLACEMENT
Patient problems: Bone Fracture(s); Injury
MAUDE report 9123618 ↗InjurySep 5, 2019Osseointegration Problem; Osseointegration Problem
IT WAS REPORTED THROUGH THE COMMUNICATION OF AN ATTORNEY THAT ALLEGEDLY THE PATIENT WAS REVISED DUE TO ASEPTIC LOOSENING LEFT TOTAL KNEE REPLACEMENT AND MORBID OBESITY.
Patient problems: Inadequate Osseointegration; Injury
MAUDE report 8964583 ↗InjuryJul 2, 2019Unstable; Unstable
THIS PI IS FOR THE LEFT KNEE IT WAS REPORTED THROUGH THE COMMUNICATION OF AN ATTORNEY THAT ALLEGEDLY THE PATIENT WAS REVISED DUE TO "UNSTABLE LEFT TOTAL KNEE ARTHROPLASTY, ALL COMPONENTS." UPDATE (B)(6) 2019: AS PER MEDICAL REVIEW DATED (B)(6) 2019 "COMPONENT MALPOSITION OF TRIATHLON PS KNEE COMPONENTS WITH A ¿SIGNIFICANTLY ELEVATED JOINT LINE¿ HAS CONTRIBUTED TO GROSS INSTABILITY OF THE ARTHROPLASTY REQUIRING EXCHANGE OF ALL KNEE DEVICES AFTER 5-YEARS".
Patient problems: Injury
MAUDE report 8753913 ↗InjuryMar 14, 2018Insufficient Device Problem Information; Insufficient Device Problem Information
IT IS REPORTED BY COUNSEL FOR CLAIMANT PATIENT THAT CLAIMANT RECEIVED A LTKA PERFORMED BY DR. (B)(6) AT THE (B)(6) CLINIC IN (B)(6) ON (B)(6) 2017. A (B)(6) UNIT WAS USED DURING THE SURGERY. TWO WEEKS FOLLOWING HER LTKA, THE CLAIMANT EXPERIENCED A FEMUR FRACTURE. ACCORDING TO COUNSEL, THE FRACTURE WAS DUE TO A WEAKNESS IN THE FEMUR RESULTING FROM THE PINHOLE USED FOR (B)(6) COMPUTER NAVIGATION. THE CLAIMANT REQUIRED AN INTERNAL FIXATION ON (B)(6) 2017 TO REPAIR THE FRACTURE AND EXPERIENCED SUBSEQUENT COMPLICATIONS.
Patient problems: Bone Fracture(s); Injury
MAUDE report 7338787 ↗MalfunctionFeb 16, 2018Difficult to Open or Remove Packaging Material; Difficult to Open or Remove Packaging Material
AS REPORTED: "THIS HAS HAPPENED IN THE PAST. I'VE SUGGESTED PACKAGING BE CHANGED SO THE FEMUR DOES NOT 'STICK' TO THE PLASTIC MATERIAL MAKING IT VERY DIFFICULT FOR STAFF TO PASS IT OFF STERILE AND NOT DROPPING IT BY HAVING TO PULL IT VERY HARD OUT OF PACKAGE...".
Patient problems: No Known Impact Or Consequence To Patient
MAUDE report 7276912 ↗InjuryApr 3, 2017Fracture; Insufficient Device Problem Information; Insufficient Device Problem Information
THE PATIENT'S TOTAL KNEE REPLACEMENT WAS REVISED DUE TO A FALL THAT CAUSED A PERIPROSTHETIC FRACTURE AROUND THE DISTAL FEMORAL COMPONENT. A DISTAL FEMORAL ROTATING HINGE TKA WAS PERFORMED TO TREAT THE PROBLEM.
Patient problems: Bone Fracture(s); Fall; Injury
MAUDE report 6452870 ↗
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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