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A Journal on Surgery


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Minerva Chirurgica 2006 October;61(5):435-44

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Ergonomic design criteria for a novel laparoscopic tool handle with tactile feedback

Mårvik R. 1, Nesbakken R. 2, Langø T. 3, Yavuz Y. 1, Vanhauwaert Bjelland H. 2, Ottermo M. V. 4, Stavdahl Ø. 4

1 National Centre for Advanced Laparoscopic Surgery Department of Surgery St. Olav’s Hospital Trondheim, Norway
2 Department of Product Design Faculty of Engineering Science and Technology Norwegian University of Science and Technolog
Trondheim, Norway
3 SINTEF Health Research Department of Medical Technology Trondheim, Norway
4 Department of Engineering and Cybernetics Faculty of Information Technology, Mathematics and Electrical Engineering Norwegian University of Science and Technology Trondheim, Norway

Laparoscopic surgery has many ergonomic disadvantages often not considered in the design of instruments. The poorly designed surgical tools produce inconveniences in both functional and cognitive aspects; including tactile sensation and visual-motor space coordination. The aim of this article is to find out how laparoscopic handle design can be improved by combining classical ergonomic guidelines with tactile feedback related to handle design. The article briefly discusses how the human hand and handheld tools are used to perform tasks. An ergonomic handle for laparoscopic grasping, with a built-in tactile sensation display, is presented. Our review of laparoscopic instruments reveals important aspects for handle design. It is concluded that there is a need for greater awareness of ergonomic guidelines for users’ sensory requirements when designing and manufacturing laparoscopic instruments.

language: English


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