Tactile sensor for enhanced user interaction

Surgeons rely greatly on their hands especially sense of touch to obtain important information of their patient’s body during surgery. Information such as the hardness and texture of the body tissues are needed so that the surgeons are able to gauge the force when using the surgical...

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Main Author: Yong, Yoon Keat.
Other Authors: Seet Gim Lee, Gerald
Format: Final Year Project
Language:English
Published: 2013
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Online Access:http://hdl.handle.net/10356/54182
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-541822023-03-04T19:17:09Z Tactile sensor for enhanced user interaction Yong, Yoon Keat. Seet Gim Lee, Gerald School of Mechanical and Aerospace Engineering DRNTU::Engineering::Mechanical engineering::Surgical assistive technology Surgeons rely greatly on their hands especially sense of touch to obtain important information of their patient’s body during surgery. Information such as the hardness and texture of the body tissues are needed so that the surgeons are able to gauge the force when using the surgical instruments without damaging the body tissues during surgery. Robotic assisted minimally invasive surgery has replace surgeons’ hands with special robotic instruments which has brought more benefit to the patient than conventional surgery. However it has taken away the sense of touch of the surgeon, hence increasing the risk of robotic surgery. Studies have shown that vision feedback itself is not sufficient to ensure the accuracy and safety of the surgery. Therefore tactile feedback has to be introduced to restore the sense of touch to the surgeons. One way to introduce tactile feedback is to apply force feedback on the fingers of the surgeon, allowing they know how hard they are holding the tissues so that the tissues are not damaged. Another way of doing it is to detect slip before it occurs, allowing the surgeons to react to partial slip and hold on to the surgical instruments to avoid slippage of body tissues. The grasping motion of the tissues includes pinching and pulling whereby the tissue could slip if not grasped properly. The objective of this project is to design and fabricate a tactile device that could simulate the finger grasping motion and generate force feedback as well as detecting slip before it happens. A single DOF master haptic device was designed, fabricated and evaluated in a master slave control system to show the feasibility of the approach. Bachelor of Engineering (Mechanical Engineering) 2013-06-14T07:32:46Z 2013-06-14T07:32:46Z 2013 2013 Final Year Project (FYP) http://hdl.handle.net/10356/54182 en Nanyang Technological University 88 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Mechanical engineering::Surgical assistive technology
spellingShingle DRNTU::Engineering::Mechanical engineering::Surgical assistive technology
Yong, Yoon Keat.
Tactile sensor for enhanced user interaction
description Surgeons rely greatly on their hands especially sense of touch to obtain important information of their patient’s body during surgery. Information such as the hardness and texture of the body tissues are needed so that the surgeons are able to gauge the force when using the surgical instruments without damaging the body tissues during surgery. Robotic assisted minimally invasive surgery has replace surgeons’ hands with special robotic instruments which has brought more benefit to the patient than conventional surgery. However it has taken away the sense of touch of the surgeon, hence increasing the risk of robotic surgery. Studies have shown that vision feedback itself is not sufficient to ensure the accuracy and safety of the surgery. Therefore tactile feedback has to be introduced to restore the sense of touch to the surgeons. One way to introduce tactile feedback is to apply force feedback on the fingers of the surgeon, allowing they know how hard they are holding the tissues so that the tissues are not damaged. Another way of doing it is to detect slip before it occurs, allowing the surgeons to react to partial slip and hold on to the surgical instruments to avoid slippage of body tissues. The grasping motion of the tissues includes pinching and pulling whereby the tissue could slip if not grasped properly. The objective of this project is to design and fabricate a tactile device that could simulate the finger grasping motion and generate force feedback as well as detecting slip before it happens. A single DOF master haptic device was designed, fabricated and evaluated in a master slave control system to show the feasibility of the approach.
author2 Seet Gim Lee, Gerald
author_facet Seet Gim Lee, Gerald
Yong, Yoon Keat.
format Final Year Project
author Yong, Yoon Keat.
author_sort Yong, Yoon Keat.
title Tactile sensor for enhanced user interaction
title_short Tactile sensor for enhanced user interaction
title_full Tactile sensor for enhanced user interaction
title_fullStr Tactile sensor for enhanced user interaction
title_full_unstemmed Tactile sensor for enhanced user interaction
title_sort tactile sensor for enhanced user interaction
publishDate 2013
url http://hdl.handle.net/10356/54182
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