Sara C Schvartzman1, Rebeka Silva2, Ken Salisbury3, Dyani Gaudilliere4, Sabine Girod5. 1. Department of Computer Science, Stanford University, Stanford, CA. 2. Chief, Dental Service (160), Veterans Affairs Medical Center, San Francisco, CA. 3. Professor, Department of Computer Science, Stanford University, Stanford, CA. 4. Chief, Oral Medicine and Maxillofacial Surgery, Department of Surgery, Stanford University, Stanford, CA. 5. Chief, Oral Medicine and Maxillofacial Surgery, Department of Surgery, Stanford University, Stanford, CA. Electronic address: sgirod@stanford.edu.
Abstract
PURPOSE: Computer-assisted surgical (CAS) planning tools have become widely available in craniomaxillofacial surgery, but are time consuming and often require professional technical assistance to simulate a case. An initial oral and maxillofacial (OM) surgical user experience was evaluated with a newly developed CAS system featuring a bimanual sense of touch (haptic). MATERIALS AND METHODS: Three volunteer OM surgeons received a 5-minute verbal introduction to the use of a newly developed haptic-enabled planning system. The surgeons were instructed to simulate mandibular fracture reductions of 3 clinical cases, within a 15-minute time limit and without a time limit, and complete a questionnaire to assess their subjective experience with the system. Standard landmarks and linear and angular measurements between the simulated results and the actual surgical outcome were compared. RESULTS: After the 5-minute instruction, all 3 surgeons were able to use the system independently. The analysis of standardized anatomic measurements showed that the simulation results within a 15-minute time limit were not significantly different from those without a time limit. Mean differences between measurements of surgical and simulated fracture reductions were within current resolution limitations in collision detection, segmentation of computed tomographic scans, and haptic devices. All 3 surgeons reported that the system was easy to learn and use and that they would be comfortable integrating it into their daily clinical practice for trauma cases. CONCLUSION: A CAS system with a haptic interface that capitalizes on touch and force feedback experience similar to operative procedures is fast and easy for OM surgeons to learn and use.
PURPOSE: Computer-assisted surgical (CAS) planning tools have become widely available in craniomaxillofacial surgery, but are time consuming and often require professional technical assistance to simulate a case. An initial oral and maxillofacial (OM) surgical user experience was evaluated with a newly developed CAS system featuring a bimanual sense of touch (haptic). MATERIALS AND METHODS: Three volunteer OM surgeons received a 5-minute verbal introduction to the use of a newly developed haptic-enabled planning system. The surgeons were instructed to simulate mandibular fracture reductions of 3 clinical cases, within a 15-minute time limit and without a time limit, and complete a questionnaire to assess their subjective experience with the system. Standard landmarks and linear and angular measurements between the simulated results and the actual surgical outcome were compared. RESULTS: After the 5-minute instruction, all 3 surgeons were able to use the system independently. The analysis of standardized anatomic measurements showed that the simulation results within a 15-minute time limit were not significantly different from those without a time limit. Mean differences between measurements of surgical and simulated fracture reductions were within current resolution limitations in collision detection, segmentation of computed tomographic scans, and haptic devices. All 3 surgeons reported that the system was easy to learn and use and that they would be comfortable integrating it into their daily clinical practice for trauma cases. CONCLUSION: A CAS system with a haptic interface that capitalizes on touch and force feedback experience similar to operative procedures is fast and easy for OM surgeons to learn and use.
Authors: Pontus Olsson; Fredrik Nysjö; Andrés Rodríguez-Lorenzo; Andreas Thor; Jan-Michaél Hirsch; Ingrid B Carlbom Journal: Plast Reconstr Surg Glob Open Date: 2015-08-10