Skip to content
Lower risk Medical device recall · FDA · Published January 30, 2018

Howmedica Triathlon Revision Knee: Incorrect Size Implant Risk

Howmedica recalls Triathlon Revision Knee implants (Catalog #5545-A-3:301 and #5546-A-601) due to risk of receiving incorrect size implants. Affected patients should contact Howmedica for evaluation.

🇺🇸 FDA recall #Z-1462-2018Medical deviceHowmedica ›
Take action

Contact the company

Recalling firmHowmedica Osteonics Corp.325 Corporate Dr · Mahwah, NJ 07430-2006
✎ GovInfoNow plain-language explainer

What happened, in plain English

Howmedica is recalling specific revision knee implants that may be the wrong size for patients. This could lead to improper fitting and complications during surgery. Read more at govinfonow.com/recall/72079-howmedica-triathlon-revision-knee-incorrect-size-implant-risk.

Source Summary by GovInfoNow · govinfonow.com/recall/72079-howmedica-triathlon-revision-knee-incorrect-size-implant-risk · Updated August 31, 2026 · FDA enforcement record: FDA #Z-1462-2018

Cite this page

“Howmedica Triathlon Revision Knee: Incorrect Size Implant Risk.” GovInfoNow, updated August 31, 2026. https://govinfonow.com/recall/72079-howmedica-triathlon-revision-knee-incorrect-size-implant-risk. Based on FDA recall #Z-1462-2018 (https://api.fda.gov/device/enforcement.json?search=recall_number:%22Z-1462-2018%22&limit=1).

Why it’s dangerous

The implants may be the wrong size for the patient's knee, which could cause improper fitting during surgery. This might lead to complications like pain or reduced mobility after the procedure.

Who’s affected

Patients who received the Triathlon Revision Knee implants (Catalog #554:301 or #5546-A-601) from Howmedica. Surgeons performing revision knee replacements are most at risk of using incorrect implants.

How to tell if you have this one

Check for the product catalog numbers: 5545-A-301 or 5546-A-601. Look for lot codes ER9WA1A, ER9WA1D, ER9WA1E for the first catalog, and ER9MA5A for the second.

  • Brand
    Howmedica
  • Category
    Medical device
Based on the official FDA remedy

What to do — step by step

  1. Contact Howmedica

    Reach out to Howmedica directly to confirm if your implant is affected and get guidance on next steps.

Where it went and when

Where it was distributed

Distributed nationwide; the notice names 19 states.

Alaska: nationwideAKMaine: nationwideMEVermont: nationwideVTNew Hampshire: nationwideNHWashington: named in the noticeWAIdaho: nationwideIDMontana: nationwideMTNorth Dakota: nationwideNDMinnesota: nationwideMNIllinois: nationwideILWisconsin: nationwideWIMichigan: named in the noticeMINew York: named in the noticeNYRhode Island: nationwideRIMassachusetts: named in the noticeMAOregon: nationwideORNevada: nationwideNVWyoming: nationwideWYSouth Dakota: nationwideSDIowa: nationwideIAIndiana: nationwideINOhio: named in the noticeOHPennsylvania: named in the noticePANew Jersey: named in the noticeNJConnecticut: nationwideCTCalifornia: named in the noticeCAUtah: nationwideUTColorado: nationwideCONebraska: nationwideNEMissouri: nationwideMOKentucky: nationwideKYWest Virginia: nationwideWVVirginia: named in the noticeVAMaryland: named in the noticeMDDelaware: nationwideDEArizona: named in the noticeAZNew Mexico: nationwideNMKansas: named in the noticeKSArkansas: nationwideARTennessee: named in the noticeTNNorth Carolina: named in the noticeNCSouth Carolina: named in the noticeSCDistrict of Columbia: nationwideDCOklahoma: nationwideOKLouisiana: nationwideLAMississippi: nationwideMSAlabama: named in the noticeALGeorgia: named in the noticeGAHawaii: nationwideHITexas: named in the noticeTXFlorida: named in the noticeFL

FDA distribution: “USA (nationwide) Distribution to the states of : AL, AZ, CA, FL, GA, KS, MA, MD, MI, NC, NJ, NY, OH, PA, SC, TN, TX, VA, and WA” States read from FDA’s own wording; “not listed” means the notice does not name it.

Named in the notice: Alabama, Arizona, California, Florida, Georgia, Kansas, Maryland, Massachusetts, Michigan, New Jersey, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, Washington.

Recall timeline

FDA terminated this recall 2.3 years after the firm started it.

1. Firm started the recall: Jan 30, 201812. FDA classified it Class II: Apr 20, 201823. Published in FDA’s Enforcement Report: May 2, 201834. FDA terminated the recall: May 7, 2020420182020
  1. Firm started the recall
  2. FDA classified it Class II
  3. Published in FDA’s Enforcement Report
  4. FDA terminated the recall

Dates from the agency record only; steps without a date are left out.

Similar recalls

Latest medical device recalls

Keep exploring

Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: FDA Recall #Z-1462-2018 (January 30, 2018) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for Z-1462-2018 to see it in context.
  • Plain-language summary written by qwen3:4b on August 31, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA