Development of an Innovative Power-Assist Omni-Directional Mobile Bed Considering Operator’s Characteristics
Yuki Ueno*1, Hideo Kitagawa*2, Kiyoaki Kakihara*3,
Toshio Sakakibara*4, and Kazuhiko Terashima*1
*1Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku, Toyohashi, Aichi 441-8580, Japan
*2Gifu National College of Technology, 2236-2 Kamimakuwa, Motosu, Gifu 501-0495, Japan
*3KER CO., LTD., 215 Yutakagaoka, Toyokawa, Aichi 442-0808, Japan
*4Fukushimura Hospital, 19-14 Yamanaka, Noyori, Toyohashi, Aichi 441-8124, Japan
In welfare facilities, although wheelchairs are commonly used for transferring patients, there are many cases in which patients are transferred while lying on beds because it is burdensome for caregivers to move a patient from a bed to a wheelchair. However, the task of moving a bed with a patient lying on it is still physically burdensome for caregivers. Hence in this study, we developed a power-assist omni-directional mobile bed to reduce the burden associated with this task. This paper reports a novel prototype of the omnidirectional power-assist bed and describes the prototype’s design, mechanism and control-system configuration. In addition, we report on experiments that were conducted to verify the effectiveness and usefulness of the omni-directional mobile bed, as well as the adaptability of the omni-directional power-assist system.
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