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LEGION HK

Hinge Knee System

LEGION Hinge Knee

Product Information

LEGION Hinged Knee is an extension of the clinically successful LEGION Total Knee System.

Size

  • Multiple femoral, tibial, stem and augment sizes
  • Uniform sizing of all components from LEGION primary to revision
  • LEGION Primary, Revision and Hinge share the same bone conserving femoral resections

Form

Anatomic Design

  • Anatomic asymmetric tibia allows the surgeon to customize the tibial component to each patient's anatomic requirements.
  • Anatomic femoral trochlear groove is based on the clinically proven GENESISII and LEGION Primary and revision design.
  • LEGION system continuum, from primary to revision to hinge, system components and augments are compatible. 

 Function

Kinematics

  • An average of 96% condylar loading removes the stress from the hinge link which promotes lower wear on the  hinge device. 1
  • Kinematic Guided Motion providing a natural range of motion2 with medial pivot, lateral roll back, and screw home.3

References

1. Hubbard K,: Condylar Load Measurement of the LEGION Hinge Knee System.  Smith & Nephew Inc. Orthopaedic Research Report, OR-09-30, April 2009.

2.  Johal, P, et. al. "Tibio-femoral movement in the living knee". J Biomech. 28(2):  269-76.2005

3.  Dees R: Design and Optimization of a Guided Motion Hinged Knee System.  Smith & Nephew Inc., Technical Report, OR-12-036, April, 2012.

This information is intended for health care professionals in the United States only.

Caution: US Federal law restricts the sale of these devices to or on the order of a physician.

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