Recall Z-3198-2026 · KRO Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer
Howmedica Osteonics Corp.
TRIATHLON HINGE INSERT SIZE 4 11MM 5612-P-411 TRIATHLON HINGE INSERT SIZE 4 13MM 5612-P-413 Orthopaedic implant components manufactured from UHMWPE (polyethylene)
| Date | Sep 16, 2026 (initiated Jul 30, 2026) |
| Status | Open, Classified |
| Reason | Affected devices were manufactured with Ultra High Molecular Weight Polyethylene (UHMWPE) raw material aged in excess of five years. Product has the potential for elevated levels of oxidation, which may result in increased wear, leading to hazards such as excessive wear debris, material fragments, fractured device, or disassociated device. Potential harms include revision surgery, pain, and inflammation. |
| Root cause | Process change control |
| Action | Firm began notifying customers on July 30, 2026, via FedEx 2-day air. Customers were instructed to quarantine and discontinue use of the affected product. Affected product should be returned to the firm. |
| Quantity | 12,156 US |
| Distribution | Worldwide distribution - US Nationwide and the countries of Canada, LATAM, Europe, Asia Pacific, and South Africa. |
| FDA record | Open on fda.gov |
510(k) clearances named in this recall
| K223528 | Triathlon® Hinge Knee System Howmedica Osteonics Corp., Dba Stryker Orthopaedics, Jan 20, 2023 |