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Abstract
Military field hospitals and rural medical centers may lack surgical subspecialists. Robotic technology can enable proctoring of remotely located general surgeons by subspecialists. Our objective compared three proctoring platforms: (1) 6-degree-of-freedom (DOF) computer input devices controlling a camera and laser pointer mounted on robotic arms, (2) a computer mouse controlling a pan-tilt-zoom (PTZ) camera and robotic laser scanner, and (3) a computer pen/tablet controlling a PTZ-camera and robotic laser scanner. Our hypothesis was that a pen/tablet or mouse platform would be superior to the 6-DOF-input device platform. Five surgeons used each platform by simulating the creation of operative incisions. Qualitative (instrument handling, time, motion, spatial awareness) and quantitative performance (accuracy, speed) was assessed on a five-point scale. Each surgeon completed a satisfaction survey. Both mouse and pen/tablet had higher mean performance scores than the 6-DOF-input device in all quantitative (6-DOF = 1.7 +/- 0.8, mouse = 4.3 +/- 0.2, pen = 4.1 +/- 0.6; p < 0.001) and qualitative measures (6-DOF = 1.7 +/- 0.2, mouse = 4.8 +/- 0.0, pen = 4.6 +/- 0.1; p < 0.001). Handling, motion, and instrument awareness were superior with the mouse and pen/tablet versus 6-DOF-input devices (p < 0.0001). Speed and accuracy were also superior using the mouse or pen/tablet versus 6-DOF-input devices (p < 0.0001). Surgeons completed tasks faster using the mouse versus pen/tablet (p = 0.02). Satisfaction surveys revealed a preference for the mouse. This study demonstrates the superiority of a mouse or pen/tablet controlling a PTZ-camera and robotic laser scanner for remote surgical teleproctoring versus 6-DOF-input devices controlling a camera and laser pointer. Either a mouse or pen/tablet platform allows subspecialists to proctor remotely located surgeons.
View details for DOI 10.1089/tmj.2008.0164
View details for Web of Science ID 000267334300008
View details for PubMedID 19548825