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Knee Replacement

Golden Steps

Surgery Guide

Focus on Rapid Recovery 

 

The medial-pivot designed to allow normal motion and natural function by replicating the native structure of the knee and providing a highly-conforming surface on the medial side.

GoldenSteps has been shown in simulated clinical testing to reduce the release of these metal ions, and builds upon the same medial-pivot legacy of 95% patient satisfaction with 98.8% survivorship at 17 years.

  • 15 Years of Excellent Outcome Data

  • Designed to Restore Natural Stability

  • Kinematics Proven to Enhance Quadriceps Efficiency

Golden Steps

Clinically Successful Design   

15 Years of Excellent Outcome Data

 

Challenging this traditional axiom of knee kinematics, pioneers in the field, such as J. David Blaha,  MD, Mr. Michael Freeman, MD, Richard Komistek, PhD, and Vera Pinskerova, PhD, provided kinematic and radiographic evidence that supported medial-pivoting kinematics and stability of the knee. This evidence demonstrated that the normal knee exhibits a fixed flexion-extension axis with a stable medial compartment and mobile lateral compartment.

Top-Down View of the Knee

Outside of the Knee

(lateral side) 

Inside of the Knee

(medial side) 

MRI lateral
Tibial Surface
MRI medial

 Unique Design Features

Provides a proven and unique solution to problems such as instability, anterior knee pain, and functional limitations through its functionally-restorative design that replicates the natural stability and motion of the knee. 

  • Flexion Stability

  • Anatomic Motion

  • Wear-Limiting Design

Golden Steps represents the perfect balance of natural medial stability and lateral mobility.

Micro Port Orthopedics Evolution Medial
POLD Movment
Patient graph

Basis for Higher Patient Satisfaction

  • Feels More Normal

  • Stronger on Stairs

  • Feels More Stable Over All

  • Fewer Clunks, Pops, and Clicks

20th Anniversary Logo
hardness
Evolution NitrX Motion View

References:

  • LaMontagne M, et al. Quadriceps and Hamstring Muscle Activation and Function Following Medial Pivot and Posterior Stabilized TKA: Pilot Study

  • Pritchett JW. Patients prefer a bicruciate-retaining or the medial pivot total knee prosthesis. J Arthroplasty. 2011 Feb;26(2):224-8F.

  • Freeman MA, Pinskerova V. The movement of the knee studied by magnetic resonance imaging. Clin Orthop Relat Res. 2003;410:35-43.

  • Pritchett JW. Patients prefer a bicruciate-retaining or the medial pivot total knee prosthesis. J Arthroplasty. 2011 Feb;26(2):224-8.

  • Hollister AM et al. The axes of rotation of the knee. Clin Orthop Relat Res. 1993 May;(290):259-68.

  • Karachalios T. A Ten To Fifteen Years Clinical Outcome Study Of Advance Medial - Pivot Knee Arthroplasty. Poster presented at:  16th Annual Congress of the European Federation of National Associations of Orthopaedics and Traumatology (EFORT). May 27-May 30, 2015. Prague, Czech Republic 

  • DA Fitch, PhD, K Sedacki, MS, Y Yang, MA, MS, Biostatistician. Mid- to long-term outcomes of a medial-pivot system for primary total knee replacement – A systematic review and meta-analysis. Bone Joint Res. 2014 Oct; 3(10): 297-304.

  • Chinzei N, et al. Satisfactory results at 8 years mean follow-up after Advance MP TKA. Knee .2014; 21(2):387-390.

  • Yuom Y-S, et al. Total Knee Arthroplasty Using a Posterior Cruciate Ligament Sacrificing Medial Pivot Knee: Minimum 5-year Follow-up Results. Knee Surg Relat Res. 2014. 26(3):135-140.

  • Schmidt R, Ogden S, Blaha JD, Alexander A, Fitch DA, Barnes CL. Midterm clinical and radiographic results of the medial pivot total knee system. International Orthopaedics. 2014.

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Paul Lee

Knee TEAM

Prof Paul Lee