U2 PSA Revision Knee™ System

With its 134° high-flexion design and full compatibility with our U2 Knee™ primary system United Orthopedic’s U2 PSA Revision Knee™ is designed to provide predictable stability and positive outcomes.

Includes: Femoral component; tibial insert and augment; extension press-fit stem; femora augment (posterior and distal); tibial baseplate.

U2 PSA Revision Knee™ and instruments are designed and manufactured exclusively by United Orthopedic Corporation.

  • Prosthetic Materials and Design
  • Femoral Component: Cobalt-Chromium alloy
  • Tibial baseplate: Ti-6Al-4V alloy
  • Tibial insert: UHMWPE
  • Femoral augment: Cobalt-Chromium alloy
  • Tibial augment: Ti-6Al-4V alloy
  • Stem: Ti-6Al-4V alloy Cobalt-Chromium alloy


The U2 PSA Revision Knee™ is indicated in knee arthroplasty for reduction or relief of pain and/ or improved knee function in skeletally mature patients with severe knee pain and disability due to rheumatoid, osteoarthritis, primary and secondary traumatic arthritis, polyarthritis, collagen disorders, avascular necrosis of the femoral condyle or pseudogout, posttraumatic loss of joint configuration, particularly when there is patellofemoral erosion, dysfunction or prior patellectomy, moderate valgus, varus, or flexion contraction.

This device in intended for use in patients who require augmentation and/or stem extension due to inadequate bone stock and/or require constrained stabilization for tibiofemoral joint due to soft tissue imbalance.

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