#7817. A novel wavy non-uniform ligament chiral stent with J-shaped stress–strain behavior to mimic the native trachea

September 2026publication date
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Journal’s subject area:
Medicine
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Abstract:
Tracheal stents are an important form of treatment for benign or malignant central airway obstruction. However, the mechanical behavior of current tracheal stents is significantly different from that of the native trachea, which leads to a variety of serious complications. In this study, inspired by the structure of the native trachea, a wavy non-uniform ligament chiral tracheal stent is proposed.
Keywords:
Chiral auxetic structure; J-shaped stress–strain behavior; Negative Poisson’s ratio; Tracheal stent; Tracheobronchial stenosis; Wavy non-uniform ligament

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