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Trigonometric Ratio-Based Remote Center of Motion Mechanism for Bone Drilling

Title
Trigonometric Ratio-Based Remote Center of Motion Mechanism for Bone Drilling
Authors
Shim, SeongboLee, SeongpungJi, DaekeunChoi, HyunseokHong, Jaesung
DGIST Authors
Hong, Jaesung
Issue Date
2018-10
Citation
2018 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2018, 4958-4963
Type
Conference
ISBN
9781538680940
ISSN
2153-0858
Abstract
The remote center of motion (RCM) mechanism is a prominent candidate to aid bone drilling. The surgeon can simply place a drill with the RCM mechanism near the entry point to provide drill alignment with the target. Using this assistive mechanism for bone drilling improves drilling accuracy and reduces the complexity of bone drilling robotic systems. However, because most RCM mechanisms have been developed for laparoscopic surgery or needle insertion into soft tissue, they lack rigidity and are unsuitable for bone drilling. One of the most difficult and important surgical procedures in bone drilling is maintaining as well as guiding the orientation of the drill with respect to the target. This paper proposes an improved RCM mechanism in which a pair of linear actuators and a gearless arc-guide are employed to achieve high rigidity and resolution, which enable bone drilling. A vision-guided navigation system is also integrated into the proposed system to automatically guide the orientation. To verify that the proposed RCM mechanism has sufficient rigidity and targeting accuracy, a series of experiments was performed. The results obtained confirm that the proposed mechanism can maintain its tilting angle under up to 50 N, with a targeting error of approximately 0.28mm. © 2018 IEEE.
URI
http://hdl.handle.net/20.500.11750/9702
DOI
10.1109/IROS.2018.8594069
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
  • Author Hong, Jaesung Surgical Robotics & Augmented Reality Lab
  • Research Interests Surgical Navigation; Surgical Robot; Medical Imaging; 영상 유도 수술 로봇; 수술 내비게이션
Files:
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Collection:
Department of Robotics EngineeringSurgical Robotics & Augmented Reality Lab2. Conference Papers


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