Triathlon 5531-G-311-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
- 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 07613327337013), received between Sep 30, 2020 and Jul 17, 2026 — classified as 10 injuries, 1 malfunction.
The most frequently reported specific device problem is “Insufficient Device Problem Information” (3 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
Most reported problems
Device problems
- Adverse Event Without Identified Device or Use Problem3
- Insufficient Device Problem Information3
- Unstable2
- Detachment of Device or Device Component1
- Device Dislodged or Dislocated1
- Fracture1
Patient problems
- Insufficient Information3
- Unspecified Infection3
- Joint Dislocation1
- Joint Laxity1
- No Clinical Signs, Symptoms or Conditions1
- Pain1
- Tissue Breakdown1
Recent adverse event reports
The 11 most recent of 11 reports, in the reporter's own words as published by the FDA.
InjuryJul 17, 2026Fracture
THE FOLLOWING INFORMATION WAS PROVIDED: IT WAS REPORTED THAT THE PATIENT'S RIGHT KNEE WAS REVISED DUE TO A POSTERIOR MEDIAL PIECE OF THE CS INSERT BEING BROKEN OFF. NO TRAUMA WAS REPORTED TO THE REP. NO DAMAGE WAS REPORTED TO THE FEMORAL COMPONENT OR THE BASEPLATE. ALL PIECES OF THE INSERT WERE REMOVED, AND THE INSERT WAS REVISED. REP CONFIRMED IMAGES CAN BE PROVIDED. OTHERWISE, REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Insufficient Information
MAUDE report 25857617 ↗MalfunctionJul 1, 2025Detachment of Device or Device Component; Detachment of Device or Device Component
THE FOLLOWING WAS REPORTED "THERE WAS A 3X11 CS POLY (REF# 5531-G-311-E) OPENED UP, LOT# T01K5R WITH A EXPIRATION DATE OF 9/11/25. AS THE SURGEON GRABBED IT AND WAS ABOUT TO IMPLANT IT IN THE PATIENT, THE SILVER WIRE FELL OFF THE IMPLANT. I HAD TO GO AND GET ANOTHER."
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 22370308 ↗InjuryAug 26, 2024Unstable; Unstable
IT WAS REPORTED THAT THE PATIENT'S RIGHT KNEE WAS REVISED DUE TO INSTABILITY. A 3X11 CS INSERT WAS REVISED TO A 3X14 CS INSERT. REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Joint Laxity
MAUDE report 20064295 ↗InjuryJul 14, 2024Adverse 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 TO PAIN. A PATELLAR COMPONENT AND INSERT WERE REVISED. REP CONFIRMED NO FURTHER INFORMATION IS AVAILABLE DUE TO HOSPITAL POLICY.
Patient problems: Pain
MAUDE report 19737583 ↗InjuryAug 9, 2023Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
"PT. PRESENTED WITH A DRAINING WOUND FOLLOWING A LEFT MAKO-TKA ON (B)(6) 2023. DR. OPTED TO PERFORM AN I&D AND INSERT-SWAP. NO COMPLAINTS FILED AGAINST THE COMPONENTS THEMSELVES, NO FURTHER INFO AVAILABLE." SPOKE TO REP. INFECTION WAS NOT CONFIRMED.
Patient problems: Unspecified Infection
MAUDE report 17494353 ↗InjuryOct 13, 2022Device Dislodged or Dislocated; Device Dislodged or Dislocated
IT WAS REPORTED BY THE SALES REP THAT SURGEON NOTIFIED ABOUT THE TKR REVISION IS NEEDED. REASON FOR REVISION DUE TO DISLOCATION
Patient problems: Joint Dislocation
MAUDE report 15593204 ↗InjuryNov 22, 2021Unstable; Unstable
IT WAS REPORTED THE PATIENT'S LEFT KNEE WAS REVISED DUE TO INSTABILITY. A 3X11 CS INSERT WAS EXCHANGED FOR A 3X16 CS INSERT. REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Insufficient Information
MAUDE report 12851862 ↗InjuryOct 22, 2021Insufficient Device Problem Information; Insufficient Device Problem Information
IT WAS REPORTED THROUGH THE SUBMISSION OF A REVISION IMPLANT SHEET THAT THE PATIENT'S RIGHT KNEE WAS REVISED. NOTED ON THE FORM: "WASHOUT/ POLY EXCHANGE." SPOKE TO REP. A 3X11 CS INSERT WAS EXCHANGED FOR ANOTHER 3X11 CS INSERT DUE TO SUSPECTED INFECTION. REP PROVIDED THE PRIMARY AND REVISION USAGE SHEETS AND CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Unspecified Infection
MAUDE report 12682001 ↗InjuryAug 3, 2021Insufficient Device Problem Information; Insufficient Device Problem Information
DR. REVISED A LEFT TRIATHLON TOTAL KNEE. THE ORIGINAL SURGERY THE PATELLA WAS NOT RESURFACED. THE PATIENT SUBSEQUENTLY FELT A POP WEEKS LATER. SURGEON CONFIRMED THE ARTHROTOMY AND RETINACULUM WERE TORN SO HE REPAIRED THE TISSUE, RESURFACED THE PATELLA AND CHANGED THE TIBIAL INSERT FROM A 3X11 TO A 3X9 TO RELIEVE STRESS ON THE PATELLA DURING FLEXION. NO SIGNS OF INFECTION OR ALLEGATIONS AGAINST THE IMPLANTS.
Patient problems: Tissue Breakdown
MAUDE report 12271546 ↗InjuryJan 15, 2021Adverse Event Without Identified Device or Use Problem
InjurySep 30, 2020Insufficient Device Problem Information; Insufficient Device Problem Information
IT WAS REPORTED THAT THE PATIENT'S LEFT KNEE WAS REVISED AFTER THE PATIENT FELL IN PHYSICAL THERAPY AND RE-OPENED HER WOUND. SURGEON SAID THERE WERE NO ALLEGATIONS AGAINST THE IMPLANTS, BUT PROPHYLACTICALLY SWAPPED A 3X11 CS INSERT FOR THE SAME. REP PROVIDED PRIMARY AND REVISION USAGE INFORMATION, AND CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED.
Patient problems: Insufficient Information
MAUDE report 10604839 ↗
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-1261-2024 · Feb 6, 2024 · Open, ClassifiedX3 TRIATHLON CS INSERT NO 6 11 MM
- Z-1264-2024 · Feb 6, 2024 · Open, ClassifiedNO 4 TRIATHLON TS PLUS TIB INS X3 POLY 11 MM
- Z-1266-2024 · Feb 6, 2024 · Open, ClassifiedNO 4 TRIATHLON TS PLUS TIB INS X3 POLY 16 MM
- Z-1265-2024 · Feb 6, 2024 · Open, ClassifiedNO 4 TRIATHLON TS PLUS TIB INS X3 POLY 16 MM
- Z-1263-2024 · Feb 6, 2024 · Open, ClassifiedNO 3 TRIATHLON TS PLUS TIB INS X3 POLY 11 MM
- Z-1262-2024 · Feb 6, 2024 · Open, ClassifiedX3 TRIATHLON CS INSERT NO 7 9 MM
- Z-1654-2023 · Apr 13, 2023 · Open, ClassifiedTRIATHLON X3 TIBIAL BEARING INSERT PS #4 13MM Intended for knee replacement Catalog Number: 5532-G-413-E
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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