News

March 4-8, 2016

Six posters presented at ORS 2016 in Orlando, Florida:

• Poster #1010: How Well Does Kinematically Aligned Total Knee Arthroplasty Prevent Clinically Important Changes in Laxities and Shifts in the Neutral Positions of the Tibiofemoral Joint? (Download poster)

• Poster #1011: How Many Days Can Laxity be Measured in a Human Cadaveric Knee with a TKA Before Clinically Important Changes Occur? (Download poster)

• Poster #1027: Does Kinematic Alignment and Flexion of a Femoral Component Designed for Mechanical Alignment Reduce the Proximal and Lateral Reach of the Trochlea? (Download poster)

• Poster #1110: Morphological Errors of Three-Dimensional Bone Models of the Distal Femur and Proximal Tibia Obtained Using Magnetic Resonance Imaging and Computed Tomography with Different Slice Thicknesses (Download poster)

• Poster #1383: Is the Location of the Tibial Wear Cavity Associated with Internal-External Rotation of the Tibia in the Non-Weight Bearing Osteoarthritic Knee? (Download poster)

• Poster #1869: Do Varus-Valgus and Internal-External Malalignments of the Femoral Component in Kinematically Aligned TKA Cause Changes in Contact Force Imbalance and Laxities? (Download poster)

March 11-18, 2014

Three scientific exhibits and one poster presented at AAOS 2014 in New Orleans, Louisiana:

• SE 45: Principle, History, Surgical Technique, and Results of Kinematic Alignment: An Alignment Option for Total Knee Arthroplasty (Download panels and movie)

• SE 46: Does Mechanical or Kinematic Alignment in Total Knee Arthroplasty Cause Collateral Ligament Instability and Change Limb and Knee Alignment from Normal? (Download panels and movie)

• SE 52: Is There a Reference Line or Method That Sets the Rotation of the Tibial and Femoral Component Parallel to the Sagittal Kinematic Plane? (Download panels and movie)

• Poster 119: Can Tibial Reference Lines Common to Mechanically Aligned TKA Be Used to Set Tibial Component Rotation in Kinematically Aligned TKA? (Download poster)

June 26-29, 2013

Two podium presentations at the ASME 2013 Summer Bioengineering Conference in Sunriver, Oregon:

• Validation of a Novel 3D-Printed Instrumented Spatial Linkage that Measures Changes in the Rotational Axes of the Tibiofemoral Joint (Download abstract).
Session 15-2-1, Wed, June 26 3:45-5:15PM

• Envelopes of Passive Motion in the Intact Tibiofemoral Joint: An In Vitro Study (Download abstract).
Session 15-2-2, Wed, June 26 5:30-7:00PM

June 20-23, 2012

Two poster presentations at the ASME 2012 Summer Bioengineering Conference in Fajardo, Puerto Rico:

• A Computational Analysis of Error in Locating the Rotational Axes of the Tibiofemoral Joint With an Instrumented Spatial Linkage (Download abstract).

• How Frequently Do Five Total Knee Arthroplasty Methods Change the Alignment of the Joint Lines and Limb From Normal? (Download abstract).

May 2-5, 2012

Four presentations by Dr. Howell at the 15th Annual ESSKA Conference in Geneva, Switzerland:

• Kinematically-Aligned TKA Improves Patient Satisfaction: My Observations from 2000 TKAs
• Patient-Specific Instrumentation (PSI) Work-But Be Watchful
• Single Tunnel ACL Reconstruction: Tunnel Placement Guidelines for Optimal Results
• Clinical, Mechanical, and Biologic Evidence Supports the Early Return to Sport After ACL Reconstruction

Feb 7-11, 2012

Scientific Exhibit presented at AAOS 2012 titled: Considerations for Measuring Coronal Alignment and an Analysis of Total Knee Arthroplasty Alignment Techniques (Download presentation materials here).