Home » Surgical Videos Surgical Videos Navigated Primary Hip Replacement through a Direct Anterior Approach Robotically Guided Primary Hip Replacement Dr. Stefan Kreuzer demonstrates Direct Approach Anterior Hip Replacement using Stryker Navigation. Dr. Stefan Kreuzer demonstrates Total Knee Arthroplasty with e-Libra and Computer Navigation Minimally Invasive Surgery – Direct Anterior Approach DAA Hip Replacement (23 min Video) Direct Approach Anterior Hip Replacement (7 min short version) Anterior Hip Resurfacing Dr. Stefan Kreuzer