Structured light for touchless 3D registration in video-based surgical navigation

Tânia Baptista, Miguel Marques, Carolina Raposo, Luis Ribeiro, Michel Antunes, João Pedro Barreto

Abstract: Arthroscopic surgery, with its inherent difficulties on visibility and maneuverability inside the joint, poses significant challenges to surgeons. Video-based surgical navigation (VBSN) has proven to have clinical benefits in arthroscopy but relies on a time-consuming and challenging surface digitization using a touch probe to accomplish registration of intraoperative data with preoperative anatomical models. This paper presents an off-the-shelf laser scanner for noninvasive registration that enables an increased area of reachable region.