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  • Ventilators for high-frequency oscillatory ventilation (HFOV), Sensormedics 3100, were not designed to tolerate spontaneous breathing of a patient. An experimental Demand Flow System (DFS) is being developed to support spontaneous breathing during HFOV. A control system of the DFS requires a model of the ventilator circuit of Sensormedics 3100. A new model of the circuit was designed, including the oscillating membrane, the inspiratory and expiratory branches of the circuit, the expiratory valve, and a spontaneously breathing patient. The model was implemented in the Multisim software environment. A bench test suggests that the model predicts the basic changes in pressure within the ventilator circuit and that its modified version can be used in the DFS control algorithm.
  • Ventilators for high-frequency oscillatory ventilation (HFOV), Sensormedics 3100, were not designed to tolerate spontaneous breathing of a patient. An experimental Demand Flow System (DFS) is being developed to support spontaneous breathing during HFOV. A control system of the DFS requires a model of the ventilator circuit of Sensormedics 3100. A new model of the circuit was designed, including the oscillating membrane, the inspiratory and expiratory branches of the circuit, the expiratory valve, and a spontaneously breathing patient. The model was implemented in the Multisim software environment. A bench test suggests that the model predicts the basic changes in pressure within the ventilator circuit and that its modified version can be used in the DFS control algorithm. (en)
Title
  • Ventilator circuit model for optimization of high-frequency oscillatory ventilation
  • Ventilator circuit model for optimization of high-frequency oscillatory ventilation (en)
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  • Ventilator circuit model for optimization of high-frequency oscillatory ventilation
  • Ventilator circuit model for optimization of high-frequency oscillatory ventilation (en)
skos:notation
  • RIV/68407700:21460/12:00198070!RIV13-MSM-21460___
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  • S
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  • 2
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  • 177220
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  • RIV/68407700:21460/12:00198070
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  • high-frequency oscillatory ventilation (HFOV); ventilator circuit; lumped-parameter model; electro-acoustic analogy (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [08050057DDDC]
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  • Lékař a technika
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http://linked.open...v/svazekPeriodika
  • 42
http://linked.open...iv/tvurceVysledku
  • Rožánek, Martin
  • Ráfl, Jakub
  • Matějka, Jan
  • Čech, Michal
issn
  • 0301-5491
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  • 21460
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