バルーンタイプのディスポーザブル携帯型持続注入器の流量特性　　バルーンの形状，環境温度が流量に与える影響

DOI 被引用文献2件 参考文献10件

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タイトル別名
  • Influences of Temperature Change and/or Reuse on The Flow Rate of Portable Disposable Balloon-Driven Infusors.
  • バルーンの形状,環境温度が流量に与える影響

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The flow rate of four balloon-driven disposable infusors was examined under various conditions. The flow rate measured under the conditions specified by manufacturers proved to be nearly constant with slight decrease except the periods at the beginning and at the end of the infusion process. A temperature drop from 30 to 25 degrees centigrade caused a decrease of 15% in the DIB Catheter, 18% in the Baxter Infuser, and 19% in the Sure Fuser-A in the flow rate, corresponding mainly to the increase of 12% in the viscosity of the priming solution, and slightly to the increase in the structural resistance of the control unit. On the other hand, the decrease of flow rate in the case of the Vessel Fuser was only 8%, suggesting a decrease in the structural resistance due to an expansion of the snow-crystal-like passage, and also indicating the possibility of temperature compensation. Changes in the flow rate in case of reuse were within a 6% decrease in four models, showing that sufficient accuracy of the flow rate was maintained for reuse.

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