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Persona® Partial Knee System

Building on a clinically proven legacy3,4, the Persona Partial Knee is the next era in personalization in fixed bearing partial knee design providing:

  • Compartment-specific shapes based off the Persona Total Knee, which has the finest sizing increments available5
  • Precise, efficient instrumentation
  • An ergonomic spacer block technique with fewer steps**

Vanguard M™ Partial Knee System

A fixed-bearing prosthesis designed for use in the medial or lateral compartment.

The Vanguard M Partial Knee System utilizes a minimally invasive technique, pioneered by John Repicci, M.D

  • One piece Direct Compression Molded tibial component
  • Accurate instrumentation correctly balances flexion and extension gaps
  • Spherical mill prepares femoral bone surface for implantation

Gender Solutions® Patello-Femoral Joint System

The Gender Solutions PFJ System is designed to address the anatomical differences among men and women with a reproducible instrumentation platform, aiming to simplify patello-femoral arthroplasty (PFA).

Compared to total knee arthroplasty:

  • PFA is associated with shorter postoperative rehabilitation1
  • PFA is associated with better knee kinematics in the sagittal plane because of the preservation of the tibiofemoral articulation, menisci, ACL and other supporting ligaments1
  • PFA patients showed better functionality, less blood loss and greater return to activity2

The Gender Solutions PFJ System features:

  • Increased Trochlear Groove Angle*
  • Modified, Thinner Anterior Flange*
  • Proprietary Guided Milling System

The PFJ Prosthesis is compatible with Gender Solutions Natural-Knee® Flex, and NexGen® Standard All-Polyethylene, Porous, or Augmentation Patellae.

  1. Morris, M.J. et al. Clinical Results of Patellofemoral Arthroplasty. The Journal of Arthroplasty. 28(9): 199-201, 2013.
  2. Dahm, D.L. et al. Patellofemoral Arthroplasty Versus Total Knee Arthroplasty in Patients with Isolated Patellofemoral Osteoarthritis. The American Journal of Orthopedics. 39(10): 487-491, 2010.
  3. Foran, JR. et al. Long-term Survivorship and Failure Modes of Unicompartmental Knee Arthroplasty. Clin Orthop Relat Res. 2013 Jan; 471(1): 102–108.
  4. Berger, RA. et al. Results of unicompartmental knee arthroplasty at a minimum of ten years of follow-up. J Bone Joint Surg Am. 2005 May;87(5):999-1006.
  5. Based on knee product Design Rationales.


*Features only included in sizes 1-4 of the Gender Solutions PFJ system and are in comparison to the standard NexGen femoral components

**Compared to Zimmer Miller Galante Uni. In the U.S. the M/G trademark is owned by Smith & Nephew