Fig 1.
(a) Deviated nasal septum (b) Reshaped nasal septum.
Table 1.
Mechanical properties of septal cartilage bone.
Fig 2.
Illustration of residual dimension of septal L-strut.
Fig 3.
(a) the model of septal L-strut design with dimensions and measurement points. (adapted from Lee et al., 2015 [24]) (b) the boundary conditions for mechanical deformation analysis.
Fig 4.
Grid independence study.
Table 2.
The result validation of the septal L-strut model.
Fig 5.
Total displacement at point B (mm), vary with different dimensions, displacement at point A is fixed at 1 mm.
Fig 6.
Von Mises stress distribution of septal L-strut model (MPa), vary with different dimensions, displacement at point A is fixed at 1 mm.
Fig 7.
Total elastic strain energy (mJ), vary with different dimensions (dorsal and caudal septum), loading force is fixed at 20 g.
Fig 8.
(a) Total displacement (mm) (b) Total elastic strain energy (mJ), vary with different dimensions (dorsal and caudal septum), loading force is fixed at 20 g.
Fig 9.
Von Mises stress distribution (MPa), vary with different dimensions (dorsal × caudal septum) (a) 10 x 10 mm (b) 20 x 10 mm (c) 10 x 20 mm and (d) 20 x 20 mm, loading force is fixed at 20 g.
Fig 10.
(a) Total displacement (mm) (b) Total elastic strain energy (mJ), vary with different cutting angles (see in Fig 12), loading force is fixed at 20 g.
Fig 11.
Von Mises stress distribution of models with different cutting angle, loading force is fixed at 20 g.
Fig 12.
(a) Total displacement (mm) (b) Total elastic strain energy (mJ), vary with different fillet radius, loading force is fixed at 20 g.
Fig 13.
Von Mises stress distribution of models with different fillet radius, loading force is fixed at 20 g.
Fig 14.
The comparison of total displacement between standard and new techniques, under loading force of 20 g (a) standard technique of 10 x 10 mm (b) design A: septal support graft (invented technique in this study) (c) design B: straight C-shaped [17] (d) design C: slope C-shaped [17].
Fig 15.
The comparison of total displacement between standard and invented techniques in this study, under loading force of 20 g (a) standard technique of 10 x 10 mm (b) and (c) invented techniques in this study.