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About

Richard L. Illgen is a prominent orthopedic surgeon and researcher whose work has significantly advanced the field of robotic-assisted joint arthroplasty, particularly in total hip and total knee replacement surgery. His research focuses on optimizing component positioning, restoring biomechanics, and improving patient outcomes through cutting-edge robotic technology. Illgen's most influential contributions center on demonstrating the clinical superiority of robotic-assisted total hip arthroplasty (rTHA) over conventional manual techniques. His 2017 study on minimum two-year outcomes (102 citations) and his 2016 investigation into functional improvements with rTHA (77 citations) established foundational evidence that CT-based planning and haptic guidance meaningfully reduce implant malposition and enhance patient recovery. His 2015 multicenter work on acetabular cup placement precision (73 citations) further cemented this evidence base across diverse clinical settings. Expanding into knee replacement, Illgen has explored cost-effectiveness, comparative clinical outcomes, and opioid utilization in robotic-assisted total knee arthroplasty—addressing both economic and public health dimensions of surgical innovation. A more recent contribution highlights how preoperative CT scans used in robotic planning can simultaneously identify undiagnosed osteoporosis, reflecting his commitment to comprehensive perioperative care. With over 400 cumulative citations, Illgen's body of work continues to shape modern arthroplasty practice.