Design and stepwise user evaluation of an ergonomic 2 DOF arthroscopic cutter

The goal of this study was to determine the preferred handle design for two degrees of freedom steerable arthroscopic cutter by performing a two-step development approach. The expected usefulness and usability of control components of three entirely different handles were defined by an on-line surve...

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Main Authors: Tim Horeman, Christoph Kment, Gino M.M.J. Kerkhoffs, Gabriëlle J.M. Tuijthof
Format: Article
Language:English
Published: Taylor & Francis Group 2017-01-01
Series:Cogent Engineering
Subjects:
Online Access:http://dx.doi.org/10.1080/23311916.2017.1410996
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author Tim Horeman
Christoph Kment
Gino M.M.J. Kerkhoffs
Gabriëlle J.M. Tuijthof
author_facet Tim Horeman
Christoph Kment
Gino M.M.J. Kerkhoffs
Gabriëlle J.M. Tuijthof
author_sort Tim Horeman
collection DOAJ
description The goal of this study was to determine the preferred handle design for two degrees of freedom steerable arthroscopic cutter by performing a two-step development approach. The expected usefulness and usability of control components of three entirely different handles were defined by an on-line survey with 101 students and the actual control by a standardised laboratory study with mock-up models by 16 students. The preferred handle design was integrated in a full functional prototype and optimized by 10 experts performing a meniscectomy on human cadaver knees. Students (survey 70% and task 91%) expected the same control behaviour as the experts (60%): steering a wheel to the right should evoke tip steering to the right regardless the orientation of the beak and moving a ring lever towards the handle’s centre point should evoke closure of the tip. Development of surgical instruments can benefit from expected control behavior based on daily life tools, but requires expert involvement for specific surgical tasks and context.
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spelling doaj.art-4dfcfe0c5e4a45e78c75ebca886492232023-09-02T17:56:04ZengTaylor & Francis GroupCogent Engineering2331-19162017-01-014110.1080/23311916.2017.14109961410996Design and stepwise user evaluation of an ergonomic 2 DOF arthroscopic cutterTim Horeman0Christoph Kment1Gino M.M.J. Kerkhoffs2Gabriëlle J.M. Tuijthof3Delft University of TechnologyAustrian Center for Medical Innovation and Technology (ACMIT)Academic Medical CenterDelft University of TechnologyThe goal of this study was to determine the preferred handle design for two degrees of freedom steerable arthroscopic cutter by performing a two-step development approach. The expected usefulness and usability of control components of three entirely different handles were defined by an on-line survey with 101 students and the actual control by a standardised laboratory study with mock-up models by 16 students. The preferred handle design was integrated in a full functional prototype and optimized by 10 experts performing a meniscectomy on human cadaver knees. Students (survey 70% and task 91%) expected the same control behaviour as the experts (60%): steering a wheel to the right should evoke tip steering to the right regardless the orientation of the beak and moving a ring lever towards the handle’s centre point should evoke closure of the tip. Development of surgical instruments can benefit from expected control behavior based on daily life tools, but requires expert involvement for specific surgical tasks and context.http://dx.doi.org/10.1080/23311916.2017.1410996minimally invasive surgerydegrees of freedomergonomicsinstrument designsteerable instruments
spellingShingle Tim Horeman
Christoph Kment
Gino M.M.J. Kerkhoffs
Gabriëlle J.M. Tuijthof
Design and stepwise user evaluation of an ergonomic 2 DOF arthroscopic cutter
Cogent Engineering
minimally invasive surgery
degrees of freedom
ergonomics
instrument design
steerable instruments
title Design and stepwise user evaluation of an ergonomic 2 DOF arthroscopic cutter
title_full Design and stepwise user evaluation of an ergonomic 2 DOF arthroscopic cutter
title_fullStr Design and stepwise user evaluation of an ergonomic 2 DOF arthroscopic cutter
title_full_unstemmed Design and stepwise user evaluation of an ergonomic 2 DOF arthroscopic cutter
title_short Design and stepwise user evaluation of an ergonomic 2 DOF arthroscopic cutter
title_sort design and stepwise user evaluation of an ergonomic 2 dof arthroscopic cutter
topic minimally invasive surgery
degrees of freedom
ergonomics
instrument design
steerable instruments
url http://dx.doi.org/10.1080/23311916.2017.1410996
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AT gabriellejmtuijthof designandstepwiseuserevaluationofanergonomic2dofarthroscopiccutter