Brand Name: USTAR II Knee System Product Name: Hinge Box Trial recall (United Orthopedic Corp.)
Medical deviceClass IIOngoing
Summary: United Orthopedic Corp. is recalling Brand Name: USTAR II Knee System Product Name: Hinge Box Trial, L, #1-6 and Hinge Box Trial, R, #1-6 Model/Catalog Number: 9325-5711 thru 9325-5716 and 9325-5721 thru 9325-5726 Software Version: N/A Product Description: Knee femur prosthesis trial, reusable Component: No, N/A. Reason: Due to an incomplete process of the component screw by a subcontractor which prevents the properly assembling of stem trail.
What is being recalled
Brand Name: USTAR II Knee System Product Name: Hinge Box Trial, L, #1-6 and Hinge Box Trial, R, #1-6 Model/Catalog Number: 9325-5711 thru 9325-5716 and 9325-5721 thru 9325-5726 Software Version: N/A Product Description: Knee femur prosthesis trial, reusable Component: No, N/A
Why
Due to an incomplete process of the component screw by a subcontractor which prevents the properly assembling of stem trail.
How serious is it
Class II is the middle level: using or being exposed to this product may cause temporary or medically reversible health problems, and the chance of serious harm is remote.
Where it was sold
US Nationwide distribution in the states of Texas and Michigan. (states named: Michigan, Texas)
How to tell if yours is affected
Product Number; UDI-DI Code; Lot Code: Product number 9325-5711; UDI-DI 04719886907032; Lot number 25FB41 Product number 9325-5712; UDI-DI 04719886907049; Lot number 25FB42 Product number 9325-5713; UDI-DI 04719886907056; Lot number 25FB43 Product number 9325-5714; UDI-DI 04719886907063; Lot number 25FB44 Product number 9325-5715; UDI-DI 04719886907070; Lot number 25FB45 Product number 9325-5716; UDI-DI 04719886907087; Lot number 25FB46 Product number 9325-5721; UDI-DI 04719886907094; Lot number 25FB35 Product number 9325-5722; UDI-DI 04719886907100; Lot number 25FB36 Product number 9325-5723; UDI-DI 04719886907117; Lot number 25FB37 Product number 9325-5724; UDI-DI 04719886907124; Lot number 25FB38 Product number 9325-5725; UDI-DI 04719886907131; Lot number 25FB39 Product number 9325-5726; UDI-DI 04719886907148; Lot number 25FB40
What to do
Check the model, lot or serial numbers above against your device. If yours is affected, contact the manufacturer or your healthcare provider before you stop using a device you rely on.
Recall facts
| Recall number | Z-2884-2026 |
| Category | Medical device |
| Agency | U.S. Food and Drug Administration (FDA) |
| Severity | Class II |
| Status | Ongoing |
| Recall started | May 20, 2026 |
| Reported | August 12, 2026 |
| Company | United Orthopedic Corp. |
| Company location | Kaohsiung, Taiwan |
| Initiated by | Voluntary: Firm initiated |
| Quantity | 2 |
More recalls from United Orthopedic Corp. · all medical device recalls · recalls from May 2026