Howmedica recalls certain knee replacement implants (part number 6637-0-228) manufactured over 5 years ago due to potential oxidation in the UHMWPE material, which may affect long-term performance.
Product manufactured using UHMWPE raw material over 5 years of age has the potential for elevated levels of oxidation. Oxidation within UHMWPE can have an impact on its material properties.
Howmedica is recalling knee replacement implants made over 5 years ago because the UHMWPE material can oxidize, potentially weakening the implant over time. This could lead to reduced longevity or failure of the implant.
The UHMWPE material in the implant can oxidize over time, especially in implants older than 5 years. This oxidation may weaken the material, potentially causing the implant to fail or become less effective over time.
Patients who received this specific knee replacement implant (part number 6637-0-228) from Howmedica over 5 years ago are affected. Those with implants made before the current date are at risk.
Check the product label for part number 6637-0-228. The implant was manufactured over 5 years ago and has lot number 54537601.
Look for part number 6637-0-228 on the implant label.
The recall indicates potential oxidation in the UHMWPE material after 5 years, which could affect long-term performance, but it does not indicate immediate risk of serious injury.
Check the implant label for part number 6637-0-228 and lot number 54537601 if manufactured over 5 years ago.
The recall does not specify a remedy, so contact Howmedica directly for further guidance.
We’ve drafted a message you can send Howmedica to request your refund or repair — edit it as you like.
Subject: Recall Z-0907-2024 — Howmedica Howmedica Hello, I own a Howmedica that is covered by recall Z-0907-2024 from Howmedica. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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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.
