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Synchronized Delivery 알고리즘을 이용한 최적 산소공급 방법 연구
차승근(S. K. Cha),신충수(C. S. Shin),오승권(S. K. Oh),이태수(T. S. Lee) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
In oxygen therapy, there are two types of popular methods: Continuous Flow Oxygen (CFO), which delivers high concentration oxygen continuously, and Demand Oxygen Delivery (DOD) which delivers oxygen only during inhalation. Since CFO wastes supplied high concentration oxygen during exhalation, DOD has been preferred recently. Existing DOD devices often made uncomfortable feeling to some patients because oxygen shoots suddenly at inhalation and oxygen delivery curve rises rapidly than user's normal breathing flow curve. To remedy this problem, we have investigated Synchronized Oxygen Delivery which provides more comfortable feeling at various breathing patterns. In this study, we developed an algorithm to predict breathing pattern for the new oxygen delivery device. Oxygen delivery was initiated right before beginning of inhalation and supplied smoothly, thus the new method may make patients comfortable in breathing.