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Ergonomic Laparoscopic Tool Handle Design

By Allison Dimartino, Kathryn Doné, Timothy Judkins, Jonathan Morse, Jennifer Mel, Dmitry Oleynikov and M. Susan Hallbeck

Abstract

Twenty-two subjects were tested and categorized according to hand size (small, medium, or large). Each subject selected the best location for a trackball and a trigger on a handle. Each subject specified the optimum diameter/size of the handle that he or she preferred. Additionally, subjects selected their preferred pivot range for opening and closing the handle. Finally, each subject exerted his or her preferred force for the trackball and trigger controls in the selected positions. Based on the data collected in this experiment, the recommended handle diameter is in the range of 4.3 to 5.7 cm. The recommended handle pivot is the range of 8.1 to 17.3 degrees for the open and closed positions. The recommended trackball actuation force is 3.0 lbs and the recommended ratchet actuation force is 0.6 lbs, on average

Year: 2016
OAI identifier: oai:CiteSeerX.psu:10.1.1.926.9215
Provided by: CiteSeerX
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