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24 April 2020 Spiral wrapping flexible ultra-thin pressure sensor for adapting curvature changes of miniaturized neurosurgical robots (Conference Presentation)
Tianhao Chen, Shaowei Meng, Jongwoo Kim, Thomas Looi, Eric Diller, James M. Drake, Hani E. Naguib
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Proceedings Volume 11378, Nano-, Bio-, Info-Tech Sensors, and 3D Systems IV; 1137802 (2020) https://doi.org/10.1117/12.2558539
Event: SPIE Smart Structures + Nondestructive Evaluation, 2020, Online Only
Abstract
Force feedback in minimally invasive surgeries is important in preventing iatrogenic injuries under remote controlled robotic surgical platforms. In this study, an ultra-thin biocompatible pressure sensor is designed to be installed onto three precurved overlapping 1 to 2.5 mm-diameter nitinol concentric tube manipulators of a miniaturized neurosurgical robotic tool to provide low-pressure range force feedback for pediatric surgeons. The finalized design can detect force magnitude and location with excellent signal-force proportionality from under 10 mN to 1 N, while adapting with the bending motions of the precurved tubes. The low-pressure range force feedback system in this study ensures safety and quality for very small neurosurgical tool used in pediatric minimally invasive operations.
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Tianhao Chen, Shaowei Meng, Jongwoo Kim, Thomas Looi, Eric Diller, James M. Drake, and Hani E. Naguib "Spiral wrapping flexible ultra-thin pressure sensor for adapting curvature changes of miniaturized neurosurgical robots (Conference Presentation)", Proc. SPIE 11378, Nano-, Bio-, Info-Tech Sensors, and 3D Systems IV, 1137802 (24 April 2020); https://doi.org/10.1117/12.2558539
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KEYWORDS
Sensors
Surgery
Robotics
Brain
Electrodes
Endoscopy
Injuries
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