Reported Aug 12, 2026 · Ongoing

Brand Name: U2 Total Knee System Product Name: PSA Box Trial, L, #1-6 and PSA Box Trial, R, #1-6 Model/Catalog Number:…

United Orthopedic Corp.

Moderate riskThis product could cause temporary or reversible health problems — stop using it.

What you should do

Stop using the affected lot and contact the recalling firm for the return or refund process. Check the FDA enforcement report for lot-level detail.

Firm contact: United Orthopedic Corp. · No. 16 Luke 1st Rd. · Kaohsiung · N/A

Is this the product you have?

  • Brand NameU2
  • Total Knee System Product NamePSA Box Trial, L, #1-6 and PSA Box Trial, R, #1-6
  • Model/Catalog Number9323-5511 thru 9323-5516 and 9323-5521
  • thru 9323-5526 Software VersionN/A
  • Product DescriptionKnee femur prosthesis trial
  • reusable ComponentNo, N/A
Lot codes and dates

27 of 27 products

Products covered by this recall
Model / numberBarcodesProduct as published
Product Number
UDI-DI Code
9323-5511Lot Code
04719886906929UDI-DI 04719886906929
9323-5512Lot number 25FB54
04719886906936UDI-DI 04719886906936
9323-5513Lot number 25FB55
04719886906943UDI-DI 04719886906943
9323-5514Lot number 25FB56
04719886906950UDI-DI 04719886906950
9323-5515Lot number 25FB57
04719886906967UDI-DI 04719886906967
9323-5516Lot number 25FB58
04719886906424UDI-DI 04719886906424
9323-5521Lot number 25FB59
04719886906974UDI-DI 04719886906974
9323-5522Lot number 25FB29
04719886906981UDI-DI 04719886906981
9323-5523Lot number 25FB30
04719886906998UDI-DI 04719886906998
Amount recalled
2

This recall covers 6 products

The agency filed one notice per product. You are reading one of them; the other 5 are below.

Where it was sold

Why it was recalled

Due to an incomplete process of the component screw by a subcontractor which prevents the properly assembling of stem trail.

This product could cause temporary or reversible health problems — stop using it.

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Where this came from

Source: U.S. Food & Drug Administration (openFDA)

Read the FDA (openFDA device enforcement) notice

Data as of Sep 19, 4:15 PM UTC

RecallNow is not a government agency. Every fact on this page is published by the FDA, USDA or CPSC and links back to their notice.