Head-neck movement of lying human in emergency transportation and effect of an actively-controlled bed

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  • 仰臥位搬送時の頭頚部動揺とアクティブ制御ベッドの効果
  • ギョウガイ ハンソウジ ノ トウケイブ ドウヨウ ト アクティブ セイギョ ベッド ノ コウカ

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Abstract

This paper considers the head-neck movement of a patient caused by lateral acceleration of ambulance in emergency transportation. The head-neck movement of a healthy subject during transportation was measured by the use of two accelerometers. Then, the relationship between lateral acceleration/jerk and roll angle of head was clarified for the two cases: the passive case of keeping the head-neck freely and the active case of keeping it at the normal position. Finally, it was shown that the head-neck movement was considerably reduced by an actively-controlled bed which reduces the patient's discomfort by rotating the bed around the body axis.

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