Evaluation of Round Window Stimulation Performance in Otosclerosis Using Finite Element Modeling

Table 1

Dimensions of the human ear finite element model.

Structure	Our model	Published data
Eardrum
Diameter along manubrium	8.99 mm	8.0–10.0 mm [47]
Diameter perpendicular to manubrium	7.75 mm	7.5–9.0 mm [47]
Thickness	0.1 mm	0.1 mm [47]
Malleus
Total length	7.67 mm	7.6–9.1 mm [47]
Incus
Length along long process	7.10 mm	7.0 mm [47]
Length along short process	4.89 mm	5.0 mm [47]
Stapes
Height	3.75 mm	2.5–4.0 mm [47]
Length of footplate	2.95 mm	2.64–3.36 mm [47]
Width of footplate	1.51 mm	0.7–1.66 mm [47]
Cochlea
Length of cochlea	37 mm	29.07–37.45 mm [48]
Length of BM	34 mm	35 mm [49]
Width of BM at base	0.15 mm	0.1 mm [49]
Width of BM at apex	0.5 mm	0.5 mm [49]
Thickness of BM at base	7.5 μm	7.5 μm [50]
Thickness of BM at apex	2.5 μm	2.5 μm [50]
Volume of scala vestibuli	92.315 mm^3	90.8463 mm^3 [51]
Volume of scala tympani	93.270 mm^3	91.2044 mm^3 [51]
Area of RWM	2.1 mm^2	2.08 mm^2 [21]