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2010 Design of Medical Devices Conference Abstracts

The Quickstand: A Portable Device to Facilitate Standing Up OPEN ACCESS

[+] Author and Article Information
Ewout Arkenbout, Just Herder

Delft University of Technology

J. Med. Devices 4(2), 027512 (Aug 09, 2010) (1 page) doi:10.1115/1.3442757 History: Published August 09, 2010; Online August 09, 2010

Abstract

Most current sit-to-stand devices are electrically powered. These devices, typically chairs, are for home use and are not portable. Yet there is a great need for a device that can be used anywhere. This paper proposes a novel portable device, named the QuickStand. Its working principle is based on a spring which provides partial support. When sitting down, this spring stores energy, which becomes available in getting up. A lock avoids undesired release of spring energy. The device is adjustable to subjects and chairs, making it very versatile. A prototype was manufactured. Technical evaluation showed the ability to provide around 150 N of support force over the whole range of motion. The device was successfully tested on a subject with a full body muscle disorder.

Copyright © 2010 by American Society of Mechanical Engineers
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