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  4. Respiration parameter determination with non-obstructive methods
 
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2020
Journal Article
Title

Respiration parameter determination with non-obstructive methods

Abstract
Measuring respiratory parameters like the breathing frequency or the tidal volume is essential in intensive care to ensure an optimal and lung protecting ventilation. A common practice in artificial ventilation of sensitive patients like infants or neonates is the use of uncuffed endotracheal tubes in combination with continuous positive airway pressure (CPAP). This comes with the disadvantage of an unknown leakage making it difficult to detect spontaneous breathing or to measure the tidal volume reliable. A novel non-obstructive method to determine respiratory parameters as well as dynamic changes of thoracic parameters has recently been presented and uses a pair of coupled UHF (ultra high frequency) antennae. In this paper, a respective setup is investigated numerically using finite difference time domain method and experimentally using an artificial lung phantom. Both approaches show that the investigated method seems capable of allowing a contactless triggering to synchronize natural and artificial breathing. The results are compared to derive a better understanding of influencing factors and opportunities for an optimisation.
Author(s)
Fisahn, Sven
Universität Hannover
Siebauer, Christian
Universität Hannover
Ringkamp, Jan  
Fraunhofer-Institut für Produktionstechnik und Automatisierung IPA  
Dehning, Kirsten
Universität Hannover
Zimmermann, Stefan
Universität Hannover
Langejürgen, Jens  
Fraunhofer-Institut für Produktionstechnik und Automatisierung IPA  
Journal
Advances in radio science. Online journal  
Open Access
DOI
10.5194/ars-18-89-2020
Additional full text version
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Language
English
Fraunhofer-Institut für Produktionstechnik und Automatisierung IPA  
Keyword(s)
  • Atmung

  • Hochfrequenz

  • Medizin

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