Research Article
Evaluation of Round Window Stimulation Performance in Otosclerosis Using Finite Element Modeling
Table 2
Material properties of the middle ear components.
| Structure | Young’s modulus (N/m2) | Density (kg/m3) |
| Eardrum | | | Pars flaccida | 1.00 × 107 | 1.20 × 103 | Pars tensa | 3.20 × 107 | 1.20 × 103 | Ossicles | | | Malleus | | | Head | 1.41 × 1010 | 2.55 × 103 | Neck | 1.41 × 1010 | 4.53 × 103 | Handle | 1.41 × 1010 | 3.70 × 103 | Incus | | | Body | 1.41 × 1010 | 2.36 × 103 | Short process | 1.41 × 1010 | 2.26 × 103 | Long process | 1.41 × 1010 | 5.08 × 103 | Stapes | 1.41 × 1010 | 2.20 × 103 | Joint | | | Incudomalleolar joint | 1.41 × 1010 | 2.39 × 103 | Incudostapedial joint | 4.00 × 106 | 1.20 × 103 | Ligament/tendon | | | Tympanic annulus ligament | 4.00 × 105 | 1.20 × 103 | Superior mallear ligament | 4.90 × 106 | 1.20 × 103 | Lateral mallear ligament | 6.70 × 106 | 1.20 × 103 | Anterior mallear ligament | 2.10 × 107 | 1.20 × 103 | Superior incudal ligament | 4.90 × 106 | 1.20 × 103 | Posterior incudal ligament | 6.50 × 106 | 1.20 × 103 | Stapedial annulus ligament | 4.10 × 105 | 1.20 × 103 | Tensor tympani tendon | 2.60 × 106 | 1.20 × 103 | Stapedial tendon | 5.20 × 105 | 1.20 × 103 |
|
|