Highlights
- •The removing characteristics of tracheal foreign bodies by baskets are investigated.
- •The geometric relationship model that the foreign bodies are removed by the baskets is established.
- •The contact mechanics model that foreign bodies are removed by the baskets are established.
Abstract
Background
Foreign body aspiration is a prevalent respiratory disease in life. There is a lack
of relevant research on removing foreign bodies. The process that foreign bodies are
removing with baskets is very complicated and the relevant theoretical research is
immature.
Methods
The characteristics of the basket to remove foreign bodies in the trachea were analyzed.
According to the geometric and force relationship between the basket, the foreign
body and the trachea, the geometric relationship model and mechanical model are established,
and validated by finite element analysis and experiments.
Findings
The simulation results and experimental results show that the simulation curves of
the contact force between the baskets and the foreign bodies, and the simulation curves
of the contact force between the basket and the trachea are the same as the theoretical
curve. Therefore, the geometric relationship model and mechanical model have reference
values.
Interpretation
These results can not only improve the quality of the operation, and shorten the operation
time, but also provide a theoretical basis for automatic removal of foreign bodies.
Keywords
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Article info
Publication history
Published online: February 10, 2023
Accepted:
February 3,
2023
Received:
May 5,
2022
Identification
Copyright
© 2023 Elsevier Ltd. All rights reserved.
