Triathlon 5531-G-613Recalls & reported problems
Howmedica Osteonics Corp. · Tibial Bearing Insert · Class 2 · Implant
All models of Triathlon (608)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
- Adverse event reports
- 16
- Deaths reported
- 0
- Injuries reported
- 12
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 16 adverse event reports that list this exact device (DI 07613327045949), received between Mar 29, 2017 and Jul 28, 2025 — classified as 12 injuries, 4 malfunctions.
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
- Adverse Event Without Identified Device or Use Problem4
- Unstable3
- Mechanical Problem2
- Connection Problem1
- Device Contamination with Chemical or Other Material1
- Device Difficult to Setup or Prepare1
- Difficult to Insert1
Patient problems
- Unspecified Infection7
- Injury6
- No Known Impact Or Consequence To Patient4
- Pain2
- Ambulation or Postural Difficulties1
- Bacterial Infection1
- Limited Mobility Of The Implanted Joint1
- No Consequences Or Impact To Patient1
Recent adverse event reports
The 16 most recent of 16 reports, in the reporter's own words as published by the FDA.
InjuryJul 28, 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 IMPLANTED OVER 10 YEARS AGO WAS REVISED DUE TO A SUSPECTED INFECTION. A 6X13 CS INSERT WAS EXCHANGED FOR ANOTHER. REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Unspecified Infection
MAUDE report 22637802 ↗InjuryMar 12, 2025Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
IT WAS REPORTED THAT THE PATIENT HAD A POLY EXCHANGE DUE TO KNEE PAIN. PATIENT NOTED THAT THE PRIMARY WAS DONE IN ANOTHER LOCATION. NO ADDITIONAL INFORMATION AVAILABLE DUE TO HOSPITAL POLICY.
Patient problems: Pain
MAUDE report 21586597 ↗InjuryDec 14, 2022Adverse Event Without Identified Device or Use Problem; Adverse Event Without Identified Device or Use Problem
PATIENT UNDERWENT PRIMARY RIGHT TKA OUTSIDE CORS SCOPE. ON (B)(6), 2021 THE PATIENT WAS REVISED FOR MECHANICAL LOOSENING. PATIENT PRESENTED WITH PAIN AND SIGNS OF PJI. WAS REVISED ON (B)(6), 2022. ALL COMPONENTS EXCHANGED.
Patient problems: Pain; Unspecified Infection
MAUDE report 15976780 ↗InjuryOct 21, 2021Adverse 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 FOR SUSPECTED INFECTION. A POLY SWAP WAS DONE. OTHER THAN THE PROVIDED REVISION USAGE SHEET, NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Unspecified Infection
MAUDE report 12671784 ↗InjuryOct 2, 2020Unstable; Unstable
IT WAS REPORTED THAT THE PATIENT'S LEFT KNEE WAS REVISED DUE TO INSTABILITY. A 6X13 CS INSERT WAS REVISED TO A 6X19 CS INSERT. REP PROVIDED THE REVISION USAGE SHEET AND CONFIRMED THAT NO FURTHER INFORMATION WILL BE RELEASED BY THE HOSPITAL OR SURGEON.
Patient problems: Ambulation or Postural Difficulties
MAUDE report 10619036 ↗InjurySep 15, 2020Insufficient Device Problem Information; Insufficient Device Problem Information
IT WAS REPORTED THAT THE PATIENT'S RIGHT KNEE WAS REVISED DUE TO INFECTION. A 6X13 CS POLY WAS EXCHANGED FOR ANOTHER 6X13 CS POLY.
Patient problems: Bacterial Infection
MAUDE report 10534489 ↗MalfunctionMar 30, 2020Device Difficult to Setup or Prepare; Device Difficult to Setup or Prepare
PRIMARY PROCEDURE, LEFT KNEE. IT WAS REPORTED THAT THE INSERT WOULD NOT SEAT INTO THE BASEPLATE. A 2ND IMPLANT OF THE SAME LOT CODE WAS OPENED AND SEATED, BUT ADDITIONAL EFFORT THAN NORMAL WAS REQUIRED. PROCEDURE COMPLETED SUCCESSFULLY WITH NO DELAY. THE WASTED INSERT IS ALLEGEDLY AVAILABLE FOR RETURN. REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE AVAILABLE.
Patient problems: No Known Impact Or Consequence To Patient
MAUDE report 9897820 ↗InjuryFeb 12, 2020Insufficient Device Problem Information; Insufficient Device Problem Information
AS REPORTED: "LEFT KNEE REVISION. REVISION DONE DUE TO INFECTION. ALL IMPLANTS WERE EXPLANTED."
Patient problems: Injury; Unspecified Infection
MAUDE report 9702562 ↗InjuryFeb 10, 2020Unstable; Unstable
InjuryOct 15, 2019Unstable; Unstable
IT WAS REPORTED THAT THE PATIENT'S LEFT KNEE WAS REVISED DUE TO INSTABILITY. A 6X13 CS INSERT WAS REVISED TO A 6X16 CS X3 INSERT. THE SURGEON NOTED THAT THE POLY HAD SOME YELLOWING AND WOULD LIKE TO ENSURE THAT IT IS NOT OXIDATION. THE EXPLANT IS AVAILABLE FOR RETURN, AND THE REP CONFIRMED THAT NO FURTHER INFORMATION WILL BE AVAILABLE.
Patient problems: Injury; Limited Mobility Of The Implanted Joint
MAUDE report 9191852 ↗MalfunctionSep 9, 2019Device Contamination with Chemical or Other Material; Device Contamination with Chemical or Other Material
A TRIATHLON IMPLANT TRIATHLON CS X3 INSERT #6 13MM WHICH WAS EXPOSED TO WATER AND STEAM AT (B)(6) HOSPITAL, WAS REDISTRIBUTED BY STRYKER (B)(4) AND SUBSEQUENTLY IMPLANTED DURING A PROCEDURE AT (B)(6) HOSPITAL. A FULL LOAN TRIATHLON IMPLANT SET WAS ACCIDENTALLY RETRIEVED FROM A HOSPITAL BY A COURIER AND WAS RETURNED TO A STRYKER KIT ROOM. HOWEVER, THE COURIER WAS UNAWARE THAT THE ITEMS WERE AFFECTED AND THEREFORE DID NOT COMMUNICATE TO THE KIT ROOM THAT THESE PARTS WERE PREVIOUSLY QUARANTINED AT THE HOSPITAL. AS A RESULT THE KIT ROOM DID NOT PROCEED WITH ANY QUARANTINE ACTION AND 18 OF THE AFFECTED ITEMS WERE RE-DISTRIBUTED. UPDATE 19/AUGUST/2019: NONE OF THE PACKAGING WAS RETAINED FROM THE IMPLANTED DEVICES. SURGEONS EXPRESSED NO CONCERN, AND HAVE COMMUNICATED NO PLANS TO SURGICALLY ADDRESS THE IMPLANTATION OF THE DEVICES. TO DATE, NO ADVERSE CONSEQUENCES HAVE BEEN REPORTED FOR THESE PATIENTS.
Patient problems: No Known Impact Or Consequence To Patient
MAUDE report 8974456 ↗MalfunctionJul 1, 2019Mechanical Problem; Mechanical Problem
IT WAS REPORTED THAT THERE IS A GAP BETWEEN THE INSERT AND TIBIA TRAY AFTER IMPACTION. THIS ISSUE WAS FOUND OUT DURING THE SURGERY. UPDATE: DELAY OF SURGERY: 20 MIN.
Patient problems: No Known Impact Or Consequence To Patient
MAUDE report 8748038 ↗InjuryAug 6, 2018Insufficient Device Problem Information; Insufficient Device Problem Information
THE SURGEON EXPLANTED TRIATHLON PRIMARY TKA IMPLANTS FROM A RIGHT INFECTED TOTAL KNEE AND PLACED A TEMPORARY SPACER. ORIGINAL SURGERY WAS (B)(6) 2018 AND AN I AND D WITH TIBIAL INSERT EXCHANGE WAS DONE ON (B)(6) 2018.
Patient problems: Injury; Unspecified Infection
MAUDE report 7754316 ↗InjuryApr 2, 2018Insufficient Device Problem Information; Insufficient Device Problem Information
SURGEON DID AN I&D WITH INSERT EXCHANGE, DUE TO POSSIBLE INFECTION.
Patient problems: Injury; Unspecified Infection
MAUDE report 7390711 ↗InjuryMay 31, 2017Insufficient Device Problem Information; Insufficient Device Problem Information
REVISION OF A PRIMARY KNEE WITH POLY SWAP DUE TO INFECTION.
Patient problems: Injury; Unspecified Infection
MAUDE report 6600549 ↗MalfunctionMar 29, 2017Difficult to Insert; Mechanical Problem; Fitting Problem; Connection Problem; Difficult to Insert; Mechanical Problem; Fitting Problem
POLY INSERT DIDN'T LOCK CORRECTLY IN BASEPLATE. THEY USED ANOTHER INSERT WHICH LOCKED INTO THE BASEPLATE WITH NO ISSUES. THEY DID NOT NEED TO EXCHANGE THE BASEPLATE.
Patient problems: No Consequences Or Impact To Patient; No Known Impact Or Consequence To Patient
MAUDE report 6444746 ↗
Other PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER devices
- ATTUNE 1512-14-050Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER106 reports
- ATTUNE 1504-40-205Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall53 reports
- ATTUNE 1504-40-105Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall46 reports
- ATTUNE 1547-06-001Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall37 reports
- ATTUNE 1513-12-060Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER72 reports
- Triathlon 5521-B-300Howmedica Osteonics Corp. · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall19 reports
- Triathlon 5531-G-709-EHowmedica Osteonics Corp. · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall19 reports
- ATTUNE 1512-16-080Depuy (Ireland) · PROSTHESIS, KNEE, PATELLO/FEMOROTIBIAL, SEMI-CONSTRAINED, UNCEMENTED, POROUS, COATED, POLYMER/METAL/POLYMER1 recall16 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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