Semi-automatic Knob System for Assisting Flexible Endoscope Steering

In this paper, a semi-automatic knob system for assisting control of flexible endoscope is introduced. For conventional flexible endoscope, the torque to bend the bending part is increased proportionally to the curvature of the insertion tube. As the bending angle increases, the required torque is i...

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Published inInternational journal of control, automation, and systems Vol. 18; no. 10; pp. 2650 - 2657
Main Authors Yoon, Hyun-Soo, Yi, Byung-Ju
Format Journal Article
LanguageEnglish
Published Bucheon / Seoul Institute of Control, Robotics and Systems and The Korean Institute of Electrical Engineers 01.10.2020
Springer Nature B.V
제어·로봇·시스템학회
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ISSN1598-6446
2005-4092
DOI10.1007/s12555-019-0246-7

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Abstract In this paper, a semi-automatic knob system for assisting control of flexible endoscope is introduced. For conventional flexible endoscope, the torque to bend the bending part is increased proportionally to the curvature of the insertion tube. As the bending angle increases, the required torque is increased. This characteristic makes a surgeon tired. The proposed semi-automatic knob system consists of a knob controller, a power generation unit, and a bending part. The knob controller includes four FSR (force sensitive resistor) sensors to measure external force applied by the operator. The power generation unit generates the power depending on the signal level of FSR sensors. Using the semi-automatic knob system, a user can control the steering of the flexible endoscope with less power as compared to conventional flexible endoscope. The usefulness of the proposed system is verified through experiments.
AbstractList In this paper, a semi-automatic knob system for assisting control of flexible endoscope is introduced. For conventional flexible endoscope, the torque to bend the bending part is increased proportionally to the curvature of the insertion tube. As the bending angle increases, the required torque is increased. This characteristic makes a surgeon tired. The proposed semi-automatic knob system consists of a knob controller, a power generation unit, and a bending part. The knob controller includes four FSR (force sensitive resistor) sensors to measure external force applied by the operator. The power generation unit generates the power depending on the signal level of FSR sensors. Using the semi-automatic knob system, a user can control the steering of the flexible endoscope with less power as compared to conventional flexible endoscope. The usefulness of the proposed system is verified through experiments.
In this paper, a semi-automatic knob system for assisting control of a flexible endoscope is introduced. For a conventional flexible endoscope, the torque to bend the bending part is increased proportionally to the curvature of the insertion tube. As the bending angle increases, the required torque is increased. This characteristic makes a surgeon tired. The proposed semi-automatic knob system consists of a knob controller, a power generation unit, and a bending part. The knob controller includes four FSR (force sensitive resistor) sensors to measure the external force applied by the operator. The power generation unit generates the power depending on the signal level of FSR sensors. Using the semi-automatic knob system, a user can control the steering of the flexible endoscope with less power as compared to the conventional flexible endoscope. The usefulness of the proposed system is verified through experiments. KCI Citation Count: 1
Author Yi, Byung-Ju
Yoon, Hyun-Soo
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Cites_doi 10.1007/s10544-006-9025-3
10.1002/rcs.386
10.3349/ymj.2017.58.1.139
10.1007/s00464-004-8213-6
10.1055/s-1999-146
10.1007/s00464-005-0219-1
10.1038/ajg.2009.249
10.1177/1553350609338181
10.1002/9781444316902
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10.1016/j.gie.2008.12.235
10.1097/MCG.0b013e31817b0124
10.1109/BioRob.2012.6290272
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Keywords colorectal surgeon-assistant system
flexible endoscope steering
colonoscopy
Admittance control
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Snippet In this paper, a semi-automatic knob system for assisting control of flexible endoscope is introduced. For conventional flexible endoscope, the torque to bend...
In this paper, a semi-automatic knob system for assisting control of a flexible endoscope is introduced. For a conventional flexible endoscope, the torque to...
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SubjectTerms Automatic control
Bending
Control
Control systems
Control Theory and Applications
Controllers
Electric power generation
Endoscopes
Engineering
Mechatronics
Robotics
Sensors
Steering
Torque
제어계측공학
Title Semi-automatic Knob System for Assisting Flexible Endoscope Steering
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