Visualization of Aspiration due to Changes in Rheological and Tribological Parameters Using a Three-Dimensional Swallowing Simulator
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- Kamiya Tetsu
- New Value Creation Office, Nagase CO & LTD. Center for Agricultural and Life Sciences using Synchrotron light, Graduate School of Agricultural Science, Tohoku University
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- Toyama Yoshio
- R&D, Meiji Co. Ltd.
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- Hanyu Keigo
- R&D, Meiji Co. Ltd.
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- Kikuchi Takahiro
- R&D, Meiji Co. Ltd.
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- Michiwaki Yukihiro
- Toho University
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抄録
<p>This study investigated the influence of the rheological and tribological parameters of a food bolus on the organ surface during swallowing. A swallowing simulator was developed based on a three-dimensional moving-particle simulation with a realistic human organ model. The simulator enables numerical comparisons using a standard human model based on food models with different rheological and tribological parameters. Through a parametric study, we can successfully characterize several aspiration patterns for low viscosity with high-density and high-viscosity food models. Our results revealed that the main cause of the before aspiration was the fast bolus arrival at the epiglottis and not the small particles. The results also revealed that to control the outbreak of the spray for aspiration restraints, it is important to control the lubrication of the bolus. This study is not a simple aspiration simulation. Moreover, it can contribute to building an evaluation system that connects the properties of a food bolus with the aspiration phenomenon without any medical radiation risks. Based on the results, we conclude that our swallowing simulator is a useful tool for estimating and evaluating the aspiration phenomena, including the relationship between human organ movement and rheological and tribological properties of the food and organ surface.</p>
収録刊行物
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- 日本レオロジー学会誌
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日本レオロジー学会誌 51 (3), 149-156, 2023-06-15
一般社団法人 日本レオロジー学会
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詳細情報 詳細情報について
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- CRID
- 1390296808234685696
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- NII書誌ID
- AN00198812
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- ISSN
- 21864586
- 03871533
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- NDL書誌ID
- 032931625
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 抄録ライセンスフラグ
- 使用不可