ストレッチャー搬送時における患者の無拘束呼吸停止検出方法

概要

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This paper describes bio-signal measurement of a patient being transferred by a stretcher. The medical accidents during the transferring are reported because in the transferring, the bio-signal of the patient is hardly measurable and abrupt changes in the physical condition are hardly detected. The measurement must be unstrained and non-invasive because the quick transferring is required. Just after lying on the stretcher, bio-signal must be measured without any operation. This paper presents a completely non-invasive measurement based on the pneumatic method. Use of the pneumatics guarantees the non-invasiveness even of the static electricity and micro-wave. However, the method detects the bio-signal from very small pressure change and thus is very sensitive not only to the bio-signals but also the mechanical vibration noises which occurs during transferring. Here we present several noise cancellation and reduction methods and show a robust method to measure respiration and respiratory arrest condition. Experiments in various situations show validity of the method.
一般社団法人日本生体医工学会の論文