Triathlon recallZ-2462-2026 · Howmedica Osteonics Corp. · initiated May 19, 2026
Open, Classified
Is my device affected?
- Compare the model, catalog and lot or serial numbers on your device or its packaging with the code information below. A recall usually covers only specific models or lots.
- If yours is listed, follow the instructions from Howmedica Osteonics Corp. or your healthcare provider. The company's action is summarized under what the company is doing.
- Do not stop using a prescribed or implanted device on your own — talk to your healthcare provider first.
Where to find your model and lot numbers · What recall classes and statuses mean
Why it was recalled
Stryker has identified that Triathlon Universal Baseplate Size 3 (lot UZD9IB), is contained in packaging labeled as Triathlon Universal Baseplate Size 4 (lot TYX7OB), and Triathlon Universal Baseplate Size 4 (lot TYX7OB), is contained in packaging labeled as Triathlon Universal Baseplate Size 3, (lot UZD9IB).
FDA root cause category: Under Investigation by firm
What the company is doing
Stryker notified consignees on about 05/19/2026 via letter sent using FedEx 2-day service. Consignees were instructed to inform users of the Urgent Medical Device Recall and forward the notice to all individuals who need to be made aware or organizations who have consigned product, immediately check all stock areas and/or operating room storage to determine if any devices from the affected product list are on hand, and complete and return the provided Urgent Medical Device Recall Business Reply Form.
Recall details
- Recall number
- Z-2462-2026
- Status
- Open, Classified
- Initiated by the company
- May 19, 2026
- Posted by the FDA
- Jun 17, 2026
- Recalling firm
- Howmedica Osteonics Corp.
- Quantity
- 7 units
- Product code
- MBH
- FDA submissions
- K123486
- Distribution
- US Nationwide distribution in the states of AZ, CA, GA, MI, NC, NJ, NY, WV.
Product description
TRI TS BASEPLATE SIZE 4. Part Number: 5521-B-400.
Code information (models, lots, serial numbers)
Part Number: 5521-B-400. UDI: (01)07613327026061(17)260921(10) TYX7OB. Lot Number: TYX7OB.
Devices named in this recall
1 device in the FDA device registry whose identifier appears in the recall's code information.
- Triathlon 5521-B-400Howmedica Osteonics Corp. · PROSTHESIS, KNEE, PATELLOFEMOROTIBIAL, SEMI-CONSTRAINED, CEMENTED, POLYMER/METAL/POLYMER1 recall28 reports
Product lines
Other products in the same recall event
The FDA groups related products into one recall event (event 99080).
- Z-2461-2026 · Open, ClassifiedTRI TS BASEPLATE SIZE 3. Part Number: 5521-B-300.
Sources and updates
- Recall record: FDA Medical Device Recalls, file dated Oct 16, 2026 · View the FDA recall notice ↗
- Devices: FDA GUDID, file dated Oct 13, 2026. Devices are linked when their identifier (with a valid check digit) appears in the recall's code information.
- Page last rebuilt: Oct 16, 2026. Text above is shown as published by the FDA.
How recalls are matched to devices · Editorial policy · Report an error on this page